Home / 15,127.10-22,663.65-7,318.70

Finding the Fourth Proportional to 15,127.10, 22,663.65 and 7,318.70

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Solution

The fourth proportional to 15,127.10, 22,663.65 and 7,318.70 is: 10,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.10 : 22,663.65 = 7,318.70 : x
  2. Step 2: Convert to fraction form
    15,127.10/22,663.65 = 7,318.70/x
  3. Step 3: Cross multiply
    15,127.10x = 22,663.65 × 7,318.70
  4. Step 4: Simplify right side
    15,127.10x = 165,868,455.26
  5. Step 5: Solve for x
    x = 165,868,455.26/15,127.10
  6. Step 6: Final answer
    x = 10,964.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.