Home / 18,125.82-25,013.88-10,954.76

Finding the Fourth Proportional to 18,125.82, 25,013.88 and 10,954.76

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Solution

The fourth proportional to 18,125.82, 25,013.88 and 10,954.76 is: 15,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.82 : 25,013.88 = 10,954.76 : x
  2. Step 2: Convert to fraction form
    18,125.82/25,013.88 = 10,954.76/x
  3. Step 3: Cross multiply
    18,125.82x = 25,013.88 × 10,954.76
  4. Step 4: Simplify right side
    18,125.82x = 274,020,927.00
  5. Step 5: Solve for x
    x = 274,020,927.00/18,125.82
  6. Step 6: Final answer
    x = 15,117.71

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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.