Home / 15,307.20-22,955.40-5,446.80

Finding the Fourth Proportional to 15,307.20, 22,955.40 and 5,446.80

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Solution

The fourth proportional to 15,307.20, 22,955.40 and 5,446.80 is: 8,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.20 : 22,955.40 = 5,446.80 : x
  2. Step 2: Convert to fraction form
    15,307.20/22,955.40 = 5,446.80/x
  3. Step 3: Cross multiply
    15,307.20x = 22,955.40 × 5,446.80
  4. Step 4: Simplify right side
    15,307.20x = 125,033,472.72
  5. Step 5: Solve for x
    x = 125,033,472.72/15,307.20
  6. Step 6: Final answer
    x = 8,168.28

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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.