Home / 25,171.28-34,738.08-16,658.72

Finding the Fourth Proportional to 25,171.28, 34,738.08 and 16,658.72

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Solution

The fourth proportional to 25,171.28, 34,738.08 and 16,658.72 is: 22,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.28 : 34,738.08 = 16,658.72 : x
  2. Step 2: Convert to fraction form
    25,171.28/34,738.08 = 16,658.72/x
  3. Step 3: Cross multiply
    25,171.28x = 34,738.08 × 16,658.72
  4. Step 4: Simplify right side
    25,171.28x = 578,691,948.06
  5. Step 5: Solve for x
    x = 578,691,948.06/25,171.28
  6. Step 6: Final answer
    x = 22,990.17

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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.