Home / 18,125.16-25,013.98-11,050.62

Finding the Fourth Proportional to 18,125.16, 25,013.98 and 11,050.62

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Solution

The fourth proportional to 18,125.16, 25,013.98 and 11,050.62 is: 15,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.16 : 25,013.98 = 11,050.62 : x
  2. Step 2: Convert to fraction form
    18,125.16/25,013.98 = 11,050.62/x
  3. Step 3: Cross multiply
    18,125.16x = 25,013.98 × 11,050.62
  4. Step 4: Simplify right side
    18,125.16x = 276,419,987.67
  5. Step 5: Solve for x
    x = 276,419,987.67/18,125.16
  6. Step 6: Final answer
    x = 15,250.62

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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.