Home / 18,390.19-25,404.08-17,707.43

Finding the Fourth Proportional to 18,390.19, 25,404.08 and 17,707.43

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Solution

The fourth proportional to 18,390.19, 25,404.08 and 17,707.43 is: 24,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.19 : 25,404.08 = 17,707.43 : x
  2. Step 2: Convert to fraction form
    18,390.19/25,404.08 = 17,707.43/x
  3. Step 3: Cross multiply
    18,390.19x = 25,404.08 × 17,707.43
  4. Step 4: Simplify right side
    18,390.19x = 449,840,879.78
  5. Step 5: Solve for x
    x = 449,840,879.78/18,390.19
  6. Step 6: Final answer
    x = 24,460.92

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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.