Home / 14,731.72-20,329.38-8,358.14

Finding the Fourth Proportional to 14,731.72, 20,329.38 and 8,358.14

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Solution

The fourth proportional to 14,731.72, 20,329.38 and 8,358.14 is: 11,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.72 : 20,329.38 = 8,358.14 : x
  2. Step 2: Convert to fraction form
    14,731.72/20,329.38 = 8,358.14/x
  3. Step 3: Cross multiply
    14,731.72x = 20,329.38 × 8,358.14
  4. Step 4: Simplify right side
    14,731.72x = 169,915,740.62
  5. Step 5: Solve for x
    x = 169,915,740.62/14,731.72
  6. Step 6: Final answer
    x = 11,534.00

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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.