Home / 15,230.80-22,831.62-7,435.36

Finding the Fourth Proportional to 15,230.80, 22,831.62 and 7,435.36

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Solution

The fourth proportional to 15,230.80, 22,831.62 and 7,435.36 is: 11,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230.80 : 22,831.62 = 7,435.36 : x
  2. Step 2: Convert to fraction form
    15,230.80/22,831.62 = 7,435.36/x
  3. Step 3: Cross multiply
    15,230.80x = 22,831.62 × 7,435.36
  4. Step 4: Simplify right side
    15,230.80x = 169,761,314.08
  5. Step 5: Solve for x
    x = 169,761,314.08/15,230.80
  6. Step 6: Final answer
    x = 11,145.92

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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.