Home / 22,304.43-30,789.99-15,616.35

Finding the Fourth Proportional to 22,304.43, 30,789.99 and 15,616.35

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Solution

The fourth proportional to 22,304.43, 30,789.99 and 15,616.35 is: 21,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,304.43 : 30,789.99 = 15,616.35 : x
  2. Step 2: Convert to fraction form
    22,304.43/30,789.99 = 15,616.35/x
  3. Step 3: Cross multiply
    22,304.43x = 30,789.99 × 15,616.35
  4. Step 4: Simplify right side
    22,304.43x = 480,827,260.34
  5. Step 5: Solve for x
    x = 480,827,260.34/22,304.43
  6. Step 6: Final answer
    x = 21,557.48

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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.