Home / 18,731.12-25,848.92-10,347.62

Finding the Fourth Proportional to 18,731.12, 25,848.92 and 10,347.62

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Solution

The fourth proportional to 18,731.12, 25,848.92 and 10,347.62 is: 14,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.12 : 25,848.92 = 10,347.62 : x
  2. Step 2: Convert to fraction form
    18,731.12/25,848.92 = 10,347.62/x
  3. Step 3: Cross multiply
    18,731.12x = 25,848.92 × 10,347.62
  4. Step 4: Simplify right side
    18,731.12x = 267,474,801.57
  5. Step 5: Solve for x
    x = 267,474,801.57/18,731.12
  6. Step 6: Final answer
    x = 14,279.70

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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.