Home / 22,780.41-31,451.58-14,294.18

Finding the Fourth Proportional to 22,780.41, 31,451.58 and 14,294.18

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Solution

The fourth proportional to 22,780.41, 31,451.58 and 14,294.18 is: 19,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.41 : 31,451.58 = 14,294.18 : x
  2. Step 2: Convert to fraction form
    22,780.41/31,451.58 = 14,294.18/x
  3. Step 3: Cross multiply
    22,780.41x = 31,451.58 × 14,294.18
  4. Step 4: Simplify right side
    22,780.41x = 449,574,388.55
  5. Step 5: Solve for x
    x = 449,574,388.55/22,780.41
  6. Step 6: Final answer
    x = 19,735.13

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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.