Home / 15,866.48-23,801.28-4,179.80

Finding the Fourth Proportional to 15,866.48, 23,801.28 and 4,179.80

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Solution

The fourth proportional to 15,866.48, 23,801.28 and 4,179.80 is: 6,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,866.48 : 23,801.28 = 4,179.80 : x
  2. Step 2: Convert to fraction form
    15,866.48/23,801.28 = 4,179.80/x
  3. Step 3: Cross multiply
    15,866.48x = 23,801.28 × 4,179.80
  4. Step 4: Simplify right side
    15,866.48x = 99,484,590.14
  5. Step 5: Solve for x
    x = 99,484,590.14/15,866.48
  6. Step 6: Final answer
    x = 6,270.11

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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.