Home / 15,866.65-23,798.17-4,180.78

Finding the Fourth Proportional to 15,866.65, 23,798.17 and 4,180.78

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Solution

The fourth proportional to 15,866.65, 23,798.17 and 4,180.78 is: 6,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,866.65 : 23,798.17 = 4,180.78 : x
  2. Step 2: Convert to fraction form
    15,866.65/23,798.17 = 4,180.78/x
  3. Step 3: Cross multiply
    15,866.65x = 23,798.17 × 4,180.78
  4. Step 4: Simplify right side
    15,866.65x = 99,494,913.17
  5. Step 5: Solve for x
    x = 99,494,913.17/15,866.65
  6. Step 6: Final answer
    x = 6,270.69

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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.