Home / 20,015.38-29,876.51-17,650.84

Finding the Fourth Proportional to 20,015.38, 29,876.51 and 17,650.84

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Solution

The fourth proportional to 20,015.38, 29,876.51 and 17,650.84 is: 26,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.38 : 29,876.51 = 17,650.84 : x
  2. Step 2: Convert to fraction form
    20,015.38/29,876.51 = 17,650.84/x
  3. Step 3: Cross multiply
    20,015.38x = 29,876.51 × 17,650.84
  4. Step 4: Simplify right side
    20,015.38x = 527,345,260.13
  5. Step 5: Solve for x
    x = 527,345,260.13/20,015.38
  6. Step 6: Final answer
    x = 26,347.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.