Home / 27,138.17-37,463.50-18,191.52

Finding the Fourth Proportional to 27,138.17, 37,463.50 and 18,191.52

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Solution

The fourth proportional to 27,138.17, 37,463.50 and 18,191.52 is: 25,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.17 : 37,463.50 = 18,191.52 : x
  2. Step 2: Convert to fraction form
    27,138.17/37,463.50 = 18,191.52/x
  3. Step 3: Cross multiply
    27,138.17x = 37,463.50 × 18,191.52
  4. Step 4: Simplify right side
    27,138.17x = 681,518,009.52
  5. Step 5: Solve for x
    x = 681,518,009.52/27,138.17
  6. Step 6: Final answer
    x = 25,112.89

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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.