Home / 15,308.70-22,963.59-4,920.18

Finding the Fourth Proportional to 15,308.70, 22,963.59 and 4,920.18

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Solution

The fourth proportional to 15,308.70, 22,963.59 and 4,920.18 is: 7,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.70 : 22,963.59 = 4,920.18 : x
  2. Step 2: Convert to fraction form
    15,308.70/22,963.59 = 4,920.18/x
  3. Step 3: Cross multiply
    15,308.70x = 22,963.59 × 4,920.18
  4. Step 4: Simplify right side
    15,308.70x = 112,984,996.25
  5. Step 5: Solve for x
    x = 112,984,996.25/15,308.70
  6. Step 6: Final answer
    x = 7,380.44

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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.