Home / 22,165.55-30,591.02-12,343.79

Finding the Fourth Proportional to 22,165.55, 30,591.02 and 12,343.79

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Solution

The fourth proportional to 22,165.55, 30,591.02 and 12,343.79 is: 17,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.55 : 30,591.02 = 12,343.79 : x
  2. Step 2: Convert to fraction form
    22,165.55/30,591.02 = 12,343.79/x
  3. Step 3: Cross multiply
    22,165.55x = 30,591.02 × 12,343.79
  4. Step 4: Simplify right side
    22,165.55x = 377,609,164.67
  5. Step 5: Solve for x
    x = 377,609,164.67/22,165.55
  6. Step 6: Final answer
    x = 17,035.86

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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.