Home / 15,597.52-21,517.68-9,306.25

Finding the Fourth Proportional to 15,597.52, 21,517.68 and 9,306.25

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Solution

The fourth proportional to 15,597.52, 21,517.68 and 9,306.25 is: 12,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.52 : 21,517.68 = 9,306.25 : x
  2. Step 2: Convert to fraction form
    15,597.52/21,517.68 = 9,306.25/x
  3. Step 3: Cross multiply
    15,597.52x = 21,517.68 × 9,306.25
  4. Step 4: Simplify right side
    15,597.52x = 200,248,909.50
  5. Step 5: Solve for x
    x = 200,248,909.50/15,597.52
  6. Step 6: Final answer
    x = 12,838.51

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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.