Home / 24,871.36-34,279.20-18,145.90

Finding the Fourth Proportional to 24,871.36, 34,279.20 and 18,145.90

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Solution

The fourth proportional to 24,871.36, 34,279.20 and 18,145.90 is: 25,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,871.36 : 34,279.20 = 18,145.90 : x
  2. Step 2: Convert to fraction form
    24,871.36/34,279.20 = 18,145.90/x
  3. Step 3: Cross multiply
    24,871.36x = 34,279.20 × 18,145.90
  4. Step 4: Simplify right side
    24,871.36x = 622,026,935.28
  5. Step 5: Solve for x
    x = 622,026,935.28/24,871.36
  6. Step 6: Final answer
    x = 25,009.77

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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.