Home / 24,721.56-34,115.64-13,543.56

Finding the Fourth Proportional to 24,721.56, 34,115.64 and 13,543.56

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Solution

The fourth proportional to 24,721.56, 34,115.64 and 13,543.56 is: 18,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,721.56 : 34,115.64 = 13,543.56 : x
  2. Step 2: Convert to fraction form
    24,721.56/34,115.64 = 13,543.56/x
  3. Step 3: Cross multiply
    24,721.56x = 34,115.64 × 13,543.56
  4. Step 4: Simplify right side
    24,721.56x = 462,047,217.28
  5. Step 5: Solve for x
    x = 462,047,217.28/24,721.56
  6. Step 6: Final answer
    x = 18,690.05

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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.