Home / 22,391.54-30,864.75-18,799.40

Finding the Fourth Proportional to 22,391.54, 30,864.75 and 18,799.40

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Solution

The fourth proportional to 22,391.54, 30,864.75 and 18,799.40 is: 25,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,391.54 : 30,864.75 = 18,799.40 : x
  2. Step 2: Convert to fraction form
    22,391.54/30,864.75 = 18,799.40/x
  3. Step 3: Cross multiply
    22,391.54x = 30,864.75 × 18,799.40
  4. Step 4: Simplify right side
    22,391.54x = 580,238,781.15
  5. Step 5: Solve for x
    x = 580,238,781.15/22,391.54
  6. Step 6: Final answer
    x = 25,913.30

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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.