Home / 15,831.79-23,748.92-5,301.85

Finding the Fourth Proportional to 15,831.79, 23,748.92 and 5,301.85

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Solution

The fourth proportional to 15,831.79, 23,748.92 and 5,301.85 is: 7,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.79 : 23,748.92 = 5,301.85 : x
  2. Step 2: Convert to fraction form
    15,831.79/23,748.92 = 5,301.85/x
  3. Step 3: Cross multiply
    15,831.79x = 23,748.92 × 5,301.85
  4. Step 4: Simplify right side
    15,831.79x = 125,913,211.50
  5. Step 5: Solve for x
    x = 125,913,211.50/15,831.79
  6. Step 6: Final answer
    x = 7,953.19

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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.