Home / 18,404.40-25,397.92-10,446.56

Finding the Fourth Proportional to 18,404.40, 25,397.92 and 10,446.56

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Solution

The fourth proportional to 18,404.40, 25,397.92 and 10,446.56 is: 14,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.40 : 25,397.92 = 10,446.56 : x
  2. Step 2: Convert to fraction form
    18,404.40/25,397.92 = 10,446.56/x
  3. Step 3: Cross multiply
    18,404.40x = 25,397.92 × 10,446.56
  4. Step 4: Simplify right side
    18,404.40x = 265,320,895.16
  5. Step 5: Solve for x
    x = 265,320,895.16/18,404.40
  6. Step 6: Final answer
    x = 14,416.17

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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.