Home / 15,963.60-23,945.40-10,126.80

Finding the Fourth Proportional to 15,963.60, 23,945.40 and 10,126.80

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Solution

The fourth proportional to 15,963.60, 23,945.40 and 10,126.80 is: 15,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.60 : 23,945.40 = 10,126.80 : x
  2. Step 2: Convert to fraction form
    15,963.60/23,945.40 = 10,126.80/x
  3. Step 3: Cross multiply
    15,963.60x = 23,945.40 × 10,126.80
  4. Step 4: Simplify right side
    15,963.60x = 242,490,276.72
  5. Step 5: Solve for x
    x = 242,490,276.72/15,963.60
  6. Step 6: Final answer
    x = 15,190.20

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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.