Home / 15,831.92-23,749.20-4,737.80

Finding the Fourth Proportional to 15,831.92, 23,749.20 and 4,737.80

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Solution

The fourth proportional to 15,831.92, 23,749.20 and 4,737.80 is: 7,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.92 : 23,749.20 = 4,737.80 : x
  2. Step 2: Convert to fraction form
    15,831.92/23,749.20 = 4,737.80/x
  3. Step 3: Cross multiply
    15,831.92x = 23,749.20 × 4,737.80
  4. Step 4: Simplify right side
    15,831.92x = 112,518,959.76
  5. Step 5: Solve for x
    x = 112,518,959.76/15,831.92
  6. Step 6: Final answer
    x = 7,107.10

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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.