Home / 18,404.33-25,397.20-10,446.40

Finding the Fourth Proportional to 18,404.33, 25,397.20 and 10,446.40

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Solution

The fourth proportional to 18,404.33, 25,397.20 and 10,446.40 is: 14,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.33 : 25,397.20 = 10,446.40 : x
  2. Step 2: Convert to fraction form
    18,404.33/25,397.20 = 10,446.40/x
  3. Step 3: Cross multiply
    18,404.33x = 25,397.20 × 10,446.40
  4. Step 4: Simplify right side
    18,404.33x = 265,309,310.08
  5. Step 5: Solve for x
    x = 265,309,310.08/18,404.33
  6. Step 6: Final answer
    x = 14,415.59

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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.