Home / 18,470.52-25,488.36-10,512.72

Finding the Fourth Proportional to 18,470.52, 25,488.36 and 10,512.72

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Solution

The fourth proportional to 18,470.52, 25,488.36 and 10,512.72 is: 14,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.52 : 25,488.36 = 10,512.72 : x
  2. Step 2: Convert to fraction form
    18,470.52/25,488.36 = 10,512.72/x
  3. Step 3: Cross multiply
    18,470.52x = 25,488.36 × 10,512.72
  4. Step 4: Simplify right side
    18,470.52x = 267,951,991.94
  5. Step 5: Solve for x
    x = 267,951,991.94/18,470.52
  6. Step 6: Final answer
    x = 14,507.01

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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.