Home / 24,979.89-34,471.81-13,649.12

Finding the Fourth Proportional to 24,979.89, 34,471.81 and 13,649.12

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Solution

The fourth proportional to 24,979.89, 34,471.81 and 13,649.12 is: 18,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,979.89 : 34,471.81 = 13,649.12 : x
  2. Step 2: Convert to fraction form
    24,979.89/34,471.81 = 13,649.12/x
  3. Step 3: Cross multiply
    24,979.89x = 34,471.81 × 13,649.12
  4. Step 4: Simplify right side
    24,979.89x = 470,509,871.31
  5. Step 5: Solve for x
    x = 470,509,871.31/24,979.89
  6. Step 6: Final answer
    x = 18,835.55

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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.