Home / 15,948.96-22,009.24-9,235.78

Finding the Fourth Proportional to 15,948.96, 22,009.24 and 9,235.78

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Solution

The fourth proportional to 15,948.96, 22,009.24 and 9,235.78 is: 12,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.96 : 22,009.24 = 9,235.78 : x
  2. Step 2: Convert to fraction form
    15,948.96/22,009.24 = 9,235.78/x
  3. Step 3: Cross multiply
    15,948.96x = 22,009.24 × 9,235.78
  4. Step 4: Simplify right side
    15,948.96x = 203,272,498.61
  5. Step 5: Solve for x
    x = 203,272,498.61/15,948.96
  6. Step 6: Final answer
    x = 12,745.19

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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.