Home / 22,376.16-30,862.32-21,383.52

Finding the Fourth Proportional to 22,376.16, 30,862.32 and 21,383.52

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Solution

The fourth proportional to 22,376.16, 30,862.32 and 21,383.52 is: 29,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.16 : 30,862.32 = 21,383.52 : x
  2. Step 2: Convert to fraction form
    22,376.16/30,862.32 = 21,383.52/x
  3. Step 3: Cross multiply
    22,376.16x = 30,862.32 × 21,383.52
  4. Step 4: Simplify right side
    22,376.16x = 659,945,036.97
  5. Step 5: Solve for x
    x = 659,945,036.97/22,376.16
  6. Step 6: Final answer
    x = 29,493.22

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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.