Home / 22,331.04-30,831.12-19,936.86

Finding the Fourth Proportional to 22,331.04, 30,831.12 and 19,936.86

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Solution

The fourth proportional to 22,331.04, 30,831.12 and 19,936.86 is: 27,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.04 : 30,831.12 = 19,936.86 : x
  2. Step 2: Convert to fraction form
    22,331.04/30,831.12 = 19,936.86/x
  3. Step 3: Cross multiply
    22,331.04x = 30,831.12 × 19,936.86
  4. Step 4: Simplify right side
    22,331.04x = 614,675,723.08
  5. Step 5: Solve for x
    x = 614,675,723.08/22,331.04
  6. Step 6: Final answer
    x = 27,525.62

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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.