Home / 18,140.73-25,034.85-10,591.89

Finding the Fourth Proportional to 18,140.73, 25,034.85 and 10,591.89

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Solution

The fourth proportional to 18,140.73, 25,034.85 and 10,591.89 is: 14,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.73 : 25,034.85 = 10,591.89 : x
  2. Step 2: Convert to fraction form
    18,140.73/25,034.85 = 10,591.89/x
  3. Step 3: Cross multiply
    18,140.73x = 25,034.85 × 10,591.89
  4. Step 4: Simplify right side
    18,140.73x = 265,166,377.37
  5. Step 5: Solve for x
    x = 265,166,377.37/18,140.73
  6. Step 6: Final answer
    x = 14,617.18

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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.