Home / 18,360.55-25,337.49-10,404.29

Finding the Fourth Proportional to 18,360.55, 25,337.49 and 10,404.29

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Solution

The fourth proportional to 18,360.55, 25,337.49 and 10,404.29 is: 14,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.55 : 25,337.49 = 10,404.29 : x
  2. Step 2: Convert to fraction form
    18,360.55/25,337.49 = 10,404.29/x
  3. Step 3: Cross multiply
    18,360.55x = 25,337.49 × 10,404.29
  4. Step 4: Simplify right side
    18,360.55x = 263,618,467.14
  5. Step 5: Solve for x
    x = 263,618,467.14/18,360.55
  6. Step 6: Final answer
    x = 14,357.88

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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.