Home / 22,392.16-30,897.92-13,437.76

Finding the Fourth Proportional to 22,392.16, 30,897.92 and 13,437.76

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Solution

The fourth proportional to 22,392.16, 30,897.92 and 13,437.76 is: 18,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,392.16 : 30,897.92 = 13,437.76 : x
  2. Step 2: Convert to fraction form
    22,392.16/30,897.92 = 13,437.76/x
  3. Step 3: Cross multiply
    22,392.16x = 30,897.92 × 13,437.76
  4. Step 4: Simplify right side
    22,392.16x = 415,198,833.46
  5. Step 5: Solve for x
    x = 415,198,833.46/22,392.16
  6. Step 6: Final answer
    x = 18,542.15

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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.