Home / 15,106.67-20,844.89-8,732.04

Finding the Fourth Proportional to 15,106.67, 20,844.89 and 8,732.04

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Solution

The fourth proportional to 15,106.67, 20,844.89 and 8,732.04 is: 12,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.67 : 20,844.89 = 8,732.04 : x
  2. Step 2: Convert to fraction form
    15,106.67/20,844.89 = 8,732.04/x
  3. Step 3: Cross multiply
    15,106.67x = 20,844.89 × 8,732.04
  4. Step 4: Simplify right side
    15,106.67x = 182,018,413.28
  5. Step 5: Solve for x
    x = 182,018,413.28/15,106.67
  6. Step 6: Final answer
    x = 12,048.88

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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.