Home / 24,979.21-34,470.28-13,649.09

Finding the Fourth Proportional to 24,979.21, 34,470.28 and 13,649.09

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Solution

The fourth proportional to 24,979.21, 34,470.28 and 13,649.09 is: 18,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,979.21 : 34,470.28 = 13,649.09 : x
  2. Step 2: Convert to fraction form
    24,979.21/34,470.28 = 13,649.09/x
  3. Step 3: Cross multiply
    24,979.21x = 34,470.28 × 13,649.09
  4. Step 4: Simplify right side
    24,979.21x = 470,488,006.10
  5. Step 5: Solve for x
    x = 470,488,006.10/24,979.21
  6. Step 6: Final answer
    x = 18,835.19

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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.