Home / 24,979.78-34,471.02-13,649.09

Finding the Fourth Proportional to 24,979.78, 34,471.02 and 13,649.09

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Solution

The fourth proportional to 24,979.78, 34,471.02 and 13,649.09 is: 18,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,979.78 : 34,471.02 = 13,649.09 : x
  2. Step 2: Convert to fraction form
    24,979.78/34,471.02 = 13,649.09/x
  3. Step 3: Cross multiply
    24,979.78x = 34,471.02 × 13,649.09
  4. Step 4: Simplify right side
    24,979.78x = 470,498,140.55
  5. Step 5: Solve for x
    x = 470,498,140.55/24,979.78
  6. Step 6: Final answer
    x = 18,835.16

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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.