Home / 15,908.56-23,863.98-4,221.52

Finding the Fourth Proportional to 15,908.56, 23,863.98 and 4,221.52

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Solution

The fourth proportional to 15,908.56, 23,863.98 and 4,221.52 is: 6,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.56 : 23,863.98 = 4,221.52 : x
  2. Step 2: Convert to fraction form
    15,908.56/23,863.98 = 4,221.52/x
  3. Step 3: Cross multiply
    15,908.56x = 23,863.98 × 4,221.52
  4. Step 4: Simplify right side
    15,908.56x = 100,742,268.85
  5. Step 5: Solve for x
    x = 100,742,268.85/15,908.56
  6. Step 6: Final answer
    x = 6,332.58

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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.