Home / 22,318.08-33,431.76-17,911.68

Finding the Fourth Proportional to 22,318.08, 33,431.76 and 17,911.68

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Solution

The fourth proportional to 22,318.08, 33,431.76 and 17,911.68 is: 26,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.08 : 33,431.76 = 17,911.68 : x
  2. Step 2: Convert to fraction form
    22,318.08/33,431.76 = 17,911.68/x
  3. Step 3: Cross multiply
    22,318.08x = 33,431.76 × 17,911.68
  4. Step 4: Simplify right side
    22,318.08x = 598,818,986.96
  5. Step 5: Solve for x
    x = 598,818,986.96/22,318.08
  6. Step 6: Final answer
    x = 26,831.12

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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.