Home / 13,250.97-18,285.95-7,282.63

Finding the Fourth Proportional to 13,250.97, 18,285.95 and 7,282.63

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Solution

The fourth proportional to 13,250.97, 18,285.95 and 7,282.63 is: 10,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.97 : 18,285.95 = 7,282.63 : x
  2. Step 2: Convert to fraction form
    13,250.97/18,285.95 = 7,282.63/x
  3. Step 3: Cross multiply
    13,250.97x = 18,285.95 × 7,282.63
  4. Step 4: Simplify right side
    13,250.97x = 133,169,780.54
  5. Step 5: Solve for x
    x = 133,169,780.54/13,250.97
  6. Step 6: Final answer
    x = 10,049.81

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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.