Home / 22,902.80-31,606.20-13,950.72

Finding the Fourth Proportional to 22,902.80, 31,606.20 and 13,950.72

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Solution

The fourth proportional to 22,902.80, 31,606.20 and 13,950.72 is: 19,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,902.80 : 31,606.20 = 13,950.72 : x
  2. Step 2: Convert to fraction form
    22,902.80/31,606.20 = 13,950.72/x
  3. Step 3: Cross multiply
    22,902.80x = 31,606.20 × 13,950.72
  4. Step 4: Simplify right side
    22,902.80x = 440,929,246.46
  5. Step 5: Solve for x
    x = 440,929,246.46/22,902.80
  6. Step 6: Final answer
    x = 19,252.20

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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.