Home / 18,403.68-25,397.52-10,446.88

Finding the Fourth Proportional to 18,403.68, 25,397.52 and 10,446.88

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Solution

The fourth proportional to 18,403.68, 25,397.52 and 10,446.88 is: 14,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.68 : 25,397.52 = 10,446.88 : x
  2. Step 2: Convert to fraction form
    18,403.68/25,397.52 = 10,446.88/x
  3. Step 3: Cross multiply
    18,403.68x = 25,397.52 × 10,446.88
  4. Step 4: Simplify right side
    18,403.68x = 265,324,843.74
  5. Step 5: Solve for x
    x = 265,324,843.74/18,403.68
  6. Step 6: Final answer
    x = 14,416.95

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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.