Home / 23,803.20-32,807.42-15,831.18

Finding the Fourth Proportional to 23,803.20, 32,807.42 and 15,831.18

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Solution

The fourth proportional to 23,803.20, 32,807.42 and 15,831.18 is: 21,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,803.20 : 32,807.42 = 15,831.18 : x
  2. Step 2: Convert to fraction form
    23,803.20/32,807.42 = 15,831.18/x
  3. Step 3: Cross multiply
    23,803.20x = 32,807.42 × 15,831.18
  4. Step 4: Simplify right side
    23,803.20x = 519,380,171.36
  5. Step 5: Solve for x
    x = 519,380,171.36/23,803.20
  6. Step 6: Final answer
    x = 21,819.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.