Home / 15,106.20-22,665.78-9,831.48

Finding the Fourth Proportional to 15,106.20, 22,665.78 and 9,831.48

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Solution

The fourth proportional to 15,106.20, 22,665.78 and 9,831.48 is: 14,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.20 : 22,665.78 = 9,831.48 : x
  2. Step 2: Convert to fraction form
    15,106.20/22,665.78 = 9,831.48/x
  3. Step 3: Cross multiply
    15,106.20x = 22,665.78 × 9,831.48
  4. Step 4: Simplify right side
    15,106.20x = 222,838,162.75
  5. Step 5: Solve for x
    x = 222,838,162.75/15,106.20
  6. Step 6: Final answer
    x = 14,751.44

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1.5x scale

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.