Home / 18,430.83-25,414.44-12,452.11

Finding the Fourth Proportional to 18,430.83, 25,414.44 and 12,452.11

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Solution

The fourth proportional to 18,430.83, 25,414.44 and 12,452.11 is: 17,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.83 : 25,414.44 = 12,452.11 : x
  2. Step 2: Convert to fraction form
    18,430.83/25,414.44 = 12,452.11/x
  3. Step 3: Cross multiply
    18,430.83x = 25,414.44 × 12,452.11
  4. Step 4: Simplify right side
    18,430.83x = 316,463,402.47
  5. Step 5: Solve for x
    x = 316,463,402.47/18,430.83
  6. Step 6: Final answer
    x = 17,170.33

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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.