Home / 22,815.60-34,223.40-21,951.60

Finding the Fourth Proportional to 22,815.60, 34,223.40 and 21,951.60

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Solution

The fourth proportional to 22,815.60, 34,223.40 and 21,951.60 is: 32,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815.60 : 34,223.40 = 21,951.60 : x
  2. Step 2: Convert to fraction form
    22,815.60/34,223.40 = 21,951.60/x
  3. Step 3: Cross multiply
    22,815.60x = 34,223.40 × 21,951.60
  4. Step 4: Simplify right side
    22,815.60x = 751,258,387.44
  5. Step 5: Solve for x
    x = 751,258,387.44/22,815.60
  6. Step 6: Final answer
    x = 32,927.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.