Home / 24,821.20-34,253.48-13,490.72

Finding the Fourth Proportional to 24,821.20, 34,253.48 and 13,490.72

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Solution

The fourth proportional to 24,821.20, 34,253.48 and 13,490.72 is: 18,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,821.20 : 34,253.48 = 13,490.72 : x
  2. Step 2: Convert to fraction form
    24,821.20/34,253.48 = 13,490.72/x
  3. Step 3: Cross multiply
    24,821.20x = 34,253.48 × 13,490.72
  4. Step 4: Simplify right side
    24,821.20x = 462,103,993.53
  5. Step 5: Solve for x
    x = 462,103,993.53/24,821.20
  6. Step 6: Final answer
    x = 18,617.31

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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.