Home / 18,741.76-25,863.28-10,358.08

Finding the Fourth Proportional to 18,741.76, 25,863.28 and 10,358.08

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Solution

The fourth proportional to 18,741.76, 25,863.28 and 10,358.08 is: 14,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.76 : 25,863.28 = 10,358.08 : x
  2. Step 2: Convert to fraction form
    18,741.76/25,863.28 = 10,358.08/x
  3. Step 3: Cross multiply
    18,741.76x = 25,863.28 × 10,358.08
  4. Step 4: Simplify right side
    18,741.76x = 267,893,923.30
  5. Step 5: Solve for x
    x = 267,893,923.30/18,741.76
  6. Step 6: Final answer
    x = 14,293.96

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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.