Home / 22,675.18-31,291.86-12,604.55

Finding the Fourth Proportional to 22,675.18, 31,291.86 and 12,604.55

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Solution

The fourth proportional to 22,675.18, 31,291.86 and 12,604.55 is: 17,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.18 : 31,291.86 = 12,604.55 : x
  2. Step 2: Convert to fraction form
    22,675.18/31,291.86 = 12,604.55/x
  3. Step 3: Cross multiply
    22,675.18x = 31,291.86 × 12,604.55
  4. Step 4: Simplify right side
    22,675.18x = 394,419,892.19
  5. Step 5: Solve for x
    x = 394,419,892.19/22,675.18
  6. Step 6: Final answer
    x = 17,394.35

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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.