Home / 22,253.85-30,700.53-13,296.87

Finding the Fourth Proportional to 22,253.85, 30,700.53 and 13,296.87

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Solution

The fourth proportional to 22,253.85, 30,700.53 and 13,296.87 is: 18,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253.85 : 30,700.53 = 13,296.87 : x
  2. Step 2: Convert to fraction form
    22,253.85/30,700.53 = 13,296.87/x
  3. Step 3: Cross multiply
    22,253.85x = 30,700.53 × 13,296.87
  4. Step 4: Simplify right side
    22,253.85x = 408,220,956.34
  5. Step 5: Solve for x
    x = 408,220,956.34/22,253.85
  6. Step 6: Final answer
    x = 18,343.84

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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.