Home / 24,821.80-34,253.70-13,643.56

Finding the Fourth Proportional to 24,821.80, 34,253.70 and 13,643.56

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Solution

The fourth proportional to 24,821.80, 34,253.70 and 13,643.56 is: 18,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,821.80 : 34,253.70 = 13,643.56 : x
  2. Step 2: Convert to fraction form
    24,821.80/34,253.70 = 13,643.56/x
  3. Step 3: Cross multiply
    24,821.80x = 34,253.70 × 13,643.56
  4. Step 4: Simplify right side
    24,821.80x = 467,342,411.17
  5. Step 5: Solve for x
    x = 467,342,411.17/24,821.80
  6. Step 6: Final answer
    x = 18,827.90

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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.