Home / 27,152.52-37,470.32-15,215.56

Finding the Fourth Proportional to 27,152.52, 37,470.32 and 15,215.56

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Solution

The fourth proportional to 27,152.52, 37,470.32 and 15,215.56 is: 20,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.52 : 37,470.32 = 15,215.56 : x
  2. Step 2: Convert to fraction form
    27,152.52/37,470.32 = 15,215.56/x
  3. Step 3: Cross multiply
    27,152.52x = 37,470.32 × 15,215.56
  4. Step 4: Simplify right side
    27,152.52x = 570,131,902.18
  5. Step 5: Solve for x
    x = 570,131,902.18/27,152.52
  6. Step 6: Final answer
    x = 20,997.38

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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.