Home / 14,704.81-20,293.55-8,417.05

Finding the Fourth Proportional to 14,704.81, 20,293.55 and 8,417.05

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Solution

The fourth proportional to 14,704.81, 20,293.55 and 8,417.05 is: 11,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.81 : 20,293.55 = 8,417.05 : x
  2. Step 2: Convert to fraction form
    14,704.81/20,293.55 = 8,417.05/x
  3. Step 3: Cross multiply
    14,704.81x = 20,293.55 × 8,417.05
  4. Step 4: Simplify right side
    14,704.81x = 170,811,825.03
  5. Step 5: Solve for x
    x = 170,811,825.03/14,704.81
  6. Step 6: Final answer
    x = 11,616.05

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Double scale
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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.