Home / 24,952.82-34,401.80-20,687.78

Finding the Fourth Proportional to 24,952.82, 34,401.80 and 20,687.78

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Solution

The fourth proportional to 24,952.82, 34,401.80 and 20,687.78 is: 28,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,952.82 : 34,401.80 = 20,687.78 : x
  2. Step 2: Convert to fraction form
    24,952.82/34,401.80 = 20,687.78/x
  3. Step 3: Cross multiply
    24,952.82x = 34,401.80 × 20,687.78
  4. Step 4: Simplify right side
    24,952.82x = 711,696,870.00
  5. Step 5: Solve for x
    x = 711,696,870.00/24,952.82
  6. Step 6: Final answer
    x = 28,521.70

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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.