Home / 18,331.29-27,473.85-9,993.96

Finding the Fourth Proportional to 18,331.29, 27,473.85 and 9,993.96

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Solution

The fourth proportional to 18,331.29, 27,473.85 and 9,993.96 is: 14,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.29 : 27,473.85 = 9,993.96 : x
  2. Step 2: Convert to fraction form
    18,331.29/27,473.85 = 9,993.96/x
  3. Step 3: Cross multiply
    18,331.29x = 27,473.85 × 9,993.96
  4. Step 4: Simplify right side
    18,331.29x = 274,572,557.95
  5. Step 5: Solve for x
    x = 274,572,557.95/18,331.29
  6. Step 6: Final answer
    x = 14,978.35

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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.