Home / 22,454.57-30,987.54-12,383.43

Finding the Fourth Proportional to 22,454.57, 30,987.54 and 12,383.43

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Solution

The fourth proportional to 22,454.57, 30,987.54 and 12,383.43 is: 17,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.57 : 30,987.54 = 12,383.43 : x
  2. Step 2: Convert to fraction form
    22,454.57/30,987.54 = 12,383.43/x
  3. Step 3: Cross multiply
    22,454.57x = 30,987.54 × 12,383.43
  4. Step 4: Simplify right side
    22,454.57x = 383,732,032.46
  5. Step 5: Solve for x
    x = 383,732,032.46/22,454.57
  6. Step 6: Final answer
    x = 17,089.27

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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.