Home / 44,515.85-66,780.38-12,926.18

Finding the Fourth Proportional to 44,515.85, 66,780.38 and 12,926.18

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Solution

The fourth proportional to 44,515.85, 66,780.38 and 12,926.18 is: 19,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,515.85 : 66,780.38 = 12,926.18 : x
  2. Step 2: Convert to fraction form
    44,515.85/66,780.38 = 12,926.18/x
  3. Step 3: Cross multiply
    44,515.85x = 66,780.38 × 12,926.18
  4. Step 4: Simplify right side
    44,515.85x = 863,215,411.61
  5. Step 5: Solve for x
    x = 863,215,411.61/44,515.85
  6. Step 6: Final answer
    x = 19,391.19

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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.