Home / 22,672.12-31,306.42-18,914.99

Finding the Fourth Proportional to 22,672.12, 31,306.42 and 18,914.99

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Solution

The fourth proportional to 22,672.12, 31,306.42 and 18,914.99 is: 26,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.12 : 31,306.42 = 18,914.99 : x
  2. Step 2: Convert to fraction form
    22,672.12/31,306.42 = 18,914.99/x
  3. Step 3: Cross multiply
    22,672.12x = 31,306.42 × 18,914.99
  4. Step 4: Simplify right side
    22,672.12x = 592,160,440.65
  5. Step 5: Solve for x
    x = 592,160,440.65/22,672.12
  6. Step 6: Final answer
    x = 26,118.44

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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.