Home / 18,909.12-26,091.36-10,524

Finding the Fourth Proportional to 18,909.12, 26,091.36 and 10,524

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Solution

The fourth proportional to 18,909.12, 26,091.36 and 10,524 is: 14,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909.12 : 26,091.36 = 10,524 : x
  2. Step 2: Convert to fraction form
    18,909.12/26,091.36 = 10,524/x
  3. Step 3: Cross multiply
    18,909.12x = 26,091.36 × 10,524
  4. Step 4: Simplify right side
    18,909.12x = 274,585,472.64
  5. Step 5: Solve for x
    x = 274,585,472.64/18,909.12
  6. Step 6: Final answer
    x = 14,521.32

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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.