Home / 22,091.74-30,455.40-15,793.18

Finding the Fourth Proportional to 22,091.74, 30,455.40 and 15,793.18

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Solution

The fourth proportional to 22,091.74, 30,455.40 and 15,793.18 is: 21,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.74 : 30,455.40 = 15,793.18 : x
  2. Step 2: Convert to fraction form
    22,091.74/30,455.40 = 15,793.18/x
  3. Step 3: Cross multiply
    22,091.74x = 30,455.40 × 15,793.18
  4. Step 4: Simplify right side
    22,091.74x = 480,987,614.17
  5. Step 5: Solve for x
    x = 480,987,614.17/22,091.74
  6. Step 6: Final answer
    x = 21,772.28

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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.