Home / 44,158.77-66,238.16-12,986.73

Finding the Fourth Proportional to 44,158.77, 66,238.16 and 12,986.73

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Solution

The fourth proportional to 44,158.77, 66,238.16 and 12,986.73 is: 19,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,158.77 : 66,238.16 = 12,986.73 : x
  2. Step 2: Convert to fraction form
    44,158.77/66,238.16 = 12,986.73/x
  3. Step 3: Cross multiply
    44,158.77x = 66,238.16 × 12,986.73
  4. Step 4: Simplify right side
    44,158.77x = 860,217,034.68
  5. Step 5: Solve for x
    x = 860,217,034.68/44,158.77
  6. Step 6: Final answer
    x = 19,480.10

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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.