Home / 22,066.92-30,446.64-13,112.28

Finding the Fourth Proportional to 22,066.92, 30,446.64 and 13,112.28

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Solution

The fourth proportional to 22,066.92, 30,446.64 and 13,112.28 is: 18,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,066.92 : 30,446.64 = 13,112.28 : x
  2. Step 2: Convert to fraction form
    22,066.92/30,446.64 = 13,112.28/x
  3. Step 3: Cross multiply
    22,066.92x = 30,446.64 × 13,112.28
  4. Step 4: Simplify right side
    22,066.92x = 399,224,868.74
  5. Step 5: Solve for x
    x = 399,224,868.74/22,066.92
  6. Step 6: Final answer
    x = 18,091.55

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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.