Home / 15,703.76-23,550.95-5,171.83

Finding the Fourth Proportional to 15,703.76, 23,550.95 and 5,171.83

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Solution

The fourth proportional to 15,703.76, 23,550.95 and 5,171.83 is: 7,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,703.76 : 23,550.95 = 5,171.83 : x
  2. Step 2: Convert to fraction form
    15,703.76/23,550.95 = 5,171.83/x
  3. Step 3: Cross multiply
    15,703.76x = 23,550.95 × 5,171.83
  4. Step 4: Simplify right side
    15,703.76x = 121,801,509.74
  5. Step 5: Solve for x
    x = 121,801,509.74/15,703.76
  6. Step 6: Final answer
    x = 7,756.20

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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.