Home / 15,997.95-22,070.00-9,279.66

Finding the Fourth Proportional to 15,997.95, 22,070.00 and 9,279.66

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Solution

The fourth proportional to 15,997.95, 22,070.00 and 9,279.66 is: 12,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.95 : 22,070.00 = 9,279.66 : x
  2. Step 2: Convert to fraction form
    15,997.95/22,070.00 = 9,279.66/x
  3. Step 3: Cross multiply
    15,997.95x = 22,070.00 × 9,279.66
  4. Step 4: Simplify right side
    15,997.95x = 204,802,049.80
  5. Step 5: Solve for x
    x = 204,802,049.80/15,997.95
  6. Step 6: Final answer
    x = 12,801.77

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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.