Home / 45,184.66-67,765.11-13,586.26

Finding the Fourth Proportional to 45,184.66, 67,765.11 and 13,586.26

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Solution

The fourth proportional to 45,184.66, 67,765.11 and 13,586.26 is: 20,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,184.66 : 67,765.11 = 13,586.26 : x
  2. Step 2: Convert to fraction form
    45,184.66/67,765.11 = 13,586.26/x
  3. Step 3: Cross multiply
    45,184.66x = 67,765.11 × 13,586.26
  4. Step 4: Simplify right side
    45,184.66x = 920,674,403.39
  5. Step 5: Solve for x
    x = 920,674,403.39/45,184.66
  6. Step 6: Final answer
    x = 20,375.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.