Home / 25,127.13-34,664.31-16,171.23

Finding the Fourth Proportional to 25,127.13, 34,664.31 and 16,171.23

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Solution

The fourth proportional to 25,127.13, 34,664.31 and 16,171.23 is: 22,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127.13 : 34,664.31 = 16,171.23 : x
  2. Step 2: Convert to fraction form
    25,127.13/34,664.31 = 16,171.23/x
  3. Step 3: Cross multiply
    25,127.13x = 34,664.31 × 16,171.23
  4. Step 4: Simplify right side
    25,127.13x = 560,564,529.80
  5. Step 5: Solve for x
    x = 560,564,529.80/25,127.13
  6. Step 6: Final answer
    x = 22,309.13

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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.