Home / 15,625.38-21,562.92-8,551.92

Finding the Fourth Proportional to 15,625.38, 21,562.92 and 8,551.92

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Solution

The fourth proportional to 15,625.38, 21,562.92 and 8,551.92 is: 11,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.38 : 21,562.92 = 8,551.92 : x
  2. Step 2: Convert to fraction form
    15,625.38/21,562.92 = 8,551.92/x
  3. Step 3: Cross multiply
    15,625.38x = 21,562.92 × 8,551.92
  4. Step 4: Simplify right side
    15,625.38x = 184,404,366.81
  5. Step 5: Solve for x
    x = 184,404,366.81/15,625.38
  6. Step 6: Final answer
    x = 11,801.59

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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.