Home / 12,373.90-18,560.88-3,013.92

Finding the Fourth Proportional to 12,373.90, 18,560.88 and 3,013.92

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Solution

The fourth proportional to 12,373.90, 18,560.88 and 3,013.92 is: 4,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.90 : 18,560.88 = 3,013.92 : x
  2. Step 2: Convert to fraction form
    12,373.90/18,560.88 = 3,013.92/x
  3. Step 3: Cross multiply
    12,373.90x = 18,560.88 × 3,013.92
  4. Step 4: Simplify right side
    12,373.90x = 55,941,007.45
  5. Step 5: Solve for x
    x = 55,941,007.45/12,373.90
  6. Step 6: Final answer
    x = 4,520.89

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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.