Home / 22,521.04-31,060.16-16,478.80

Finding the Fourth Proportional to 22,521.04, 31,060.16 and 16,478.80

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Solution

The fourth proportional to 22,521.04, 31,060.16 and 16,478.80 is: 22,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.04 : 31,060.16 = 16,478.80 : x
  2. Step 2: Convert to fraction form
    22,521.04/31,060.16 = 16,478.80/x
  3. Step 3: Cross multiply
    22,521.04x = 31,060.16 × 16,478.80
  4. Step 4: Simplify right side
    22,521.04x = 511,834,164.61
  5. Step 5: Solve for x
    x = 511,834,164.61/22,521.04
  6. Step 6: Final answer
    x = 22,726.93

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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.