Home / 14,576.11-20,113.18-8,288.62

Finding the Fourth Proportional to 14,576.11, 20,113.18 and 8,288.62

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Solution

The fourth proportional to 14,576.11, 20,113.18 and 8,288.62 is: 11,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.11 : 20,113.18 = 8,288.62 : x
  2. Step 2: Convert to fraction form
    14,576.11/20,113.18 = 8,288.62/x
  3. Step 3: Cross multiply
    14,576.11x = 20,113.18 × 8,288.62
  4. Step 4: Simplify right side
    14,576.11x = 166,710,506.01
  5. Step 5: Solve for x
    x = 166,710,506.01/14,576.11
  6. Step 6: Final answer
    x = 11,437.24

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Half scale
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Double scale
Find fourth proportional to 14,577.11, 20,114.56 and 8,289.62
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.