Home / 15,693.91-23,542.40-5,159.66

Finding the Fourth Proportional to 15,693.91, 23,542.40 and 5,159.66

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Solution

The fourth proportional to 15,693.91, 23,542.40 and 5,159.66 is: 7,739.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.91 : 23,542.40 = 5,159.66 : x
  2. Step 2: Convert to fraction form
    15,693.91/23,542.40 = 5,159.66/x
  3. Step 3: Cross multiply
    15,693.91x = 23,542.40 × 5,159.66
  4. Step 4: Simplify right side
    15,693.91x = 121,470,674.77
  5. Step 5: Solve for x
    x = 121,470,674.77/15,693.91
  6. Step 6: Final answer
    x = 7,739.99

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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.