Home / 26,620.31-36,732.08-15,290.30

Finding the Fourth Proportional to 26,620.31, 36,732.08 and 15,290.30

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Solution

The fourth proportional to 26,620.31, 36,732.08 and 15,290.30 is: 21,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.31 : 36,732.08 = 15,290.30 : x
  2. Step 2: Convert to fraction form
    26,620.31/36,732.08 = 15,290.30/x
  3. Step 3: Cross multiply
    26,620.31x = 36,732.08 × 15,290.30
  4. Step 4: Simplify right side
    26,620.31x = 561,644,652.88
  5. Step 5: Solve for x
    x = 561,644,652.88/26,620.31
  6. Step 6: Final answer
    x = 21,098.35

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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.