Home / 25,139.52-34,715.88-16,207.92

Finding the Fourth Proportional to 25,139.52, 34,715.88 and 16,207.92

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Solution

The fourth proportional to 25,139.52, 34,715.88 and 16,207.92 is: 22,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.52 : 34,715.88 = 16,207.92 : x
  2. Step 2: Convert to fraction form
    25,139.52/34,715.88 = 16,207.92/x
  3. Step 3: Cross multiply
    25,139.52x = 34,715.88 × 16,207.92
  4. Step 4: Simplify right side
    25,139.52x = 562,672,205.77
  5. Step 5: Solve for x
    x = 562,672,205.77/25,139.52
  6. Step 6: Final answer
    x = 22,381.98

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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.