Home / 16,521.49-22,799.28-9,447.76

Finding the Fourth Proportional to 16,521.49, 22,799.28 and 9,447.76

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Solution

The fourth proportional to 16,521.49, 22,799.28 and 9,447.76 is: 13,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.49 : 22,799.28 = 9,447.76 : x
  2. Step 2: Convert to fraction form
    16,521.49/22,799.28 = 9,447.76/x
  3. Step 3: Cross multiply
    16,521.49x = 22,799.28 × 9,447.76
  4. Step 4: Simplify right side
    16,521.49x = 215,402,125.61
  5. Step 5: Solve for x
    x = 215,402,125.61/16,521.49
  6. Step 6: Final answer
    x = 13,037.69

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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.