Home / 15,991.02-22,061.80-9,272.94

Finding the Fourth Proportional to 15,991.02, 22,061.80 and 9,272.94

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Solution

The fourth proportional to 15,991.02, 22,061.80 and 9,272.94 is: 12,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.02 : 22,061.80 = 9,272.94 : x
  2. Step 2: Convert to fraction form
    15,991.02/22,061.80 = 9,272.94/x
  3. Step 3: Cross multiply
    15,991.02x = 22,061.80 × 9,272.94
  4. Step 4: Simplify right side
    15,991.02x = 204,577,747.69
  5. Step 5: Solve for x
    x = 204,577,747.69/15,991.02
  6. Step 6: Final answer
    x = 12,793.29

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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.