Home / 15,191.17-22,711.87-12,877.06

Finding the Fourth Proportional to 15,191.17, 22,711.87 and 12,877.06

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Solution

The fourth proportional to 15,191.17, 22,711.87 and 12,877.06 is: 19,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191.17 : 22,711.87 = 12,877.06 : x
  2. Step 2: Convert to fraction form
    15,191.17/22,711.87 = 12,877.06/x
  3. Step 3: Cross multiply
    15,191.17x = 22,711.87 × 12,877.06
  4. Step 4: Simplify right side
    15,191.17x = 292,462,112.70
  5. Step 5: Solve for x
    x = 292,462,112.70/15,191.17
  6. Step 6: Final answer
    x = 19,252.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.