Home / 22,517.60-31,062.02-13,559.67

Finding the Fourth Proportional to 22,517.60, 31,062.02 and 13,559.67

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Solution

The fourth proportional to 22,517.60, 31,062.02 and 13,559.67 is: 18,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,517.60 : 31,062.02 = 13,559.67 : x
  2. Step 2: Convert to fraction form
    22,517.60/31,062.02 = 13,559.67/x
  3. Step 3: Cross multiply
    22,517.60x = 31,062.02 × 13,559.67
  4. Step 4: Simplify right side
    22,517.60x = 421,190,672.94
  5. Step 5: Solve for x
    x = 421,190,672.94/22,517.60
  6. Step 6: Final answer
    x = 18,704.96

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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.