Home / 15,590.76-23,378.56-5,199

Finding the Fourth Proportional to 15,590.76, 23,378.56 and 5,199

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Solution

The fourth proportional to 15,590.76, 23,378.56 and 5,199 is: 7,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.76 : 23,378.56 = 5,199 : x
  2. Step 2: Convert to fraction form
    15,590.76/23,378.56 = 5,199/x
  3. Step 3: Cross multiply
    15,590.76x = 23,378.56 × 5,199
  4. Step 4: Simplify right side
    15,590.76x = 121,545,133.44
  5. Step 5: Solve for x
    x = 121,545,133.44/15,590.76
  6. Step 6: Final answer
    x = 7,795.97

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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.