Home / 17,454.42-26,158.03-12,513.15

Finding the Fourth Proportional to 17,454.42, 26,158.03 and 12,513.15

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Solution

The fourth proportional to 17,454.42, 26,158.03 and 12,513.15 is: 18,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,454.42 : 26,158.03 = 12,513.15 : x
  2. Step 2: Convert to fraction form
    17,454.42/26,158.03 = 12,513.15/x
  3. Step 3: Cross multiply
    17,454.42x = 26,158.03 × 12,513.15
  4. Step 4: Simplify right side
    17,454.42x = 327,319,419.90
  5. Step 5: Solve for x
    x = 327,319,419.90/17,454.42
  6. Step 6: Final answer
    x = 18,752.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.