Home / 15,695.85-23,547.24-5,169.11

Finding the Fourth Proportional to 15,695.85, 23,547.24 and 5,169.11

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Solution

The fourth proportional to 15,695.85, 23,547.24 and 5,169.11 is: 7,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.85 : 23,547.24 = 5,169.11 : x
  2. Step 2: Convert to fraction form
    15,695.85/23,547.24 = 5,169.11/x
  3. Step 3: Cross multiply
    15,695.85x = 23,547.24 × 5,169.11
  4. Step 4: Simplify right side
    15,695.85x = 121,718,273.76
  5. Step 5: Solve for x
    x = 121,718,273.76/15,695.85
  6. Step 6: Final answer
    x = 7,754.81

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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.