Home / 15,865.40-23,796.30-4,179.53

Finding the Fourth Proportional to 15,865.40, 23,796.30 and 4,179.53

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Solution

The fourth proportional to 15,865.40, 23,796.30 and 4,179.53 is: 6,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.40 : 23,796.30 = 4,179.53 : x
  2. Step 2: Convert to fraction form
    15,865.40/23,796.30 = 4,179.53/x
  3. Step 3: Cross multiply
    15,865.40x = 23,796.30 × 4,179.53
  4. Step 4: Simplify right side
    15,865.40x = 99,457,349.74
  5. Step 5: Solve for x
    x = 99,457,349.74/15,865.40
  6. Step 6: Final answer
    x = 6,268.82

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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.