Home / 15,711.23-23,570.90-4,618.28

Finding the Fourth Proportional to 15,711.23, 23,570.90 and 4,618.28

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Solution

The fourth proportional to 15,711.23, 23,570.90 and 4,618.28 is: 6,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.23 : 23,570.90 = 4,618.28 : x
  2. Step 2: Convert to fraction form
    15,711.23/23,570.90 = 4,618.28/x
  3. Step 3: Cross multiply
    15,711.23x = 23,570.90 × 4,618.28
  4. Step 4: Simplify right side
    15,711.23x = 108,857,016.05
  5. Step 5: Solve for x
    x = 108,857,016.05/15,711.23
  6. Step 6: Final answer
    x = 6,928.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.