Home / 15,470.27-21,358.13-10,174.22

Finding the Fourth Proportional to 15,470.27, 21,358.13 and 10,174.22

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Solution

The fourth proportional to 15,470.27, 21,358.13 and 10,174.22 is: 14,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.27 : 21,358.13 = 10,174.22 : x
  2. Step 2: Convert to fraction form
    15,470.27/21,358.13 = 10,174.22/x
  3. Step 3: Cross multiply
    15,470.27x = 21,358.13 × 10,174.22
  4. Step 4: Simplify right side
    15,470.27x = 217,302,155.75
  5. Step 5: Solve for x
    x = 217,302,155.75/15,470.27
  6. Step 6: Final answer
    x = 14,046.44

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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.