Home / 13,373.98-18,456.36-8,001.95

Finding the Fourth Proportional to 13,373.98, 18,456.36 and 8,001.95

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Solution

The fourth proportional to 13,373.98, 18,456.36 and 8,001.95 is: 11,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.98 : 18,456.36 = 8,001.95 : x
  2. Step 2: Convert to fraction form
    13,373.98/18,456.36 = 8,001.95/x
  3. Step 3: Cross multiply
    13,373.98x = 18,456.36 × 8,001.95
  4. Step 4: Simplify right side
    13,373.98x = 147,686,829.89
  5. Step 5: Solve for x
    x = 147,686,829.89/13,373.98
  6. Step 6: Final answer
    x = 11,042.85

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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.