Home / 15,961.65-23,942.47-4,275.17

Finding the Fourth Proportional to 15,961.65, 23,942.47 and 4,275.17

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Solution

The fourth proportional to 15,961.65, 23,942.47 and 4,275.17 is: 6,412.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.65 : 23,942.47 = 4,275.17 : x
  2. Step 2: Convert to fraction form
    15,961.65/23,942.47 = 4,275.17/x
  3. Step 3: Cross multiply
    15,961.65x = 23,942.47 × 4,275.17
  4. Step 4: Simplify right side
    15,961.65x = 102,358,129.47
  5. Step 5: Solve for x
    x = 102,358,129.47/15,961.65
  6. Step 6: Final answer
    x = 6,412.75

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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.