Home / 18,404.34-25,397.11-10,445.48

Finding the Fourth Proportional to 18,404.34, 25,397.11 and 10,445.48

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Solution

The fourth proportional to 18,404.34, 25,397.11 and 10,445.48 is: 14,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.34 : 25,397.11 = 10,445.48 : x
  2. Step 2: Convert to fraction form
    18,404.34/25,397.11 = 10,445.48/x
  3. Step 3: Cross multiply
    18,404.34x = 25,397.11 × 10,445.48
  4. Step 4: Simplify right side
    18,404.34x = 265,285,004.56
  5. Step 5: Solve for x
    x = 265,285,004.56/18,404.34
  6. Step 6: Final answer
    x = 14,414.26

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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.