Home / 18,947.46-26,147.91-10,449.83

Finding the Fourth Proportional to 18,947.46, 26,147.91 and 10,449.83

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Solution

The fourth proportional to 18,947.46, 26,147.91 and 10,449.83 is: 14,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.46 : 26,147.91 = 10,449.83 : x
  2. Step 2: Convert to fraction form
    18,947.46/26,147.91 = 10,449.83/x
  3. Step 3: Cross multiply
    18,947.46x = 26,147.91 × 10,449.83
  4. Step 4: Simplify right side
    18,947.46x = 273,241,279.73
  5. Step 5: Solve for x
    x = 273,241,279.73/18,947.46
  6. Step 6: Final answer
    x = 14,421.00

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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.