Home / 15,719.54-23,564.55-5,324.18

Finding the Fourth Proportional to 15,719.54, 23,564.55 and 5,324.18

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Solution

The fourth proportional to 15,719.54, 23,564.55 and 5,324.18 is: 7,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.54 : 23,564.55 = 5,324.18 : x
  2. Step 2: Convert to fraction form
    15,719.54/23,564.55 = 5,324.18/x
  3. Step 3: Cross multiply
    15,719.54x = 23,564.55 × 5,324.18
  4. Step 4: Simplify right side
    15,719.54x = 125,461,905.82
  5. Step 5: Solve for x
    x = 125,461,905.82/15,719.54
  6. Step 6: Final answer
    x = 7,981.27

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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.