Home / 14,576.04-20,114.76-8,288.40

Finding the Fourth Proportional to 14,576.04, 20,114.76 and 8,288.40

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Solution

The fourth proportional to 14,576.04, 20,114.76 and 8,288.40 is: 11,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.04 : 20,114.76 = 8,288.40 : x
  2. Step 2: Convert to fraction form
    14,576.04/20,114.76 = 8,288.40/x
  3. Step 3: Cross multiply
    14,576.04x = 20,114.76 × 8,288.40
  4. Step 4: Simplify right side
    14,576.04x = 166,719,176.78
  5. Step 5: Solve for x
    x = 166,719,176.78/14,576.04
  6. Step 6: Final answer
    x = 11,437.89

Related Problems

Find fourth proportional to 7,288.02, 10,057.38 and 4,144.20
Half scale
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Double scale
Find fourth proportional to 14,577.04, 20,116.14 and 8,289.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.