Home / 23,857.20-35,785.80-19,701.90

Finding the Fourth Proportional to 23,857.20, 35,785.80 and 19,701.90

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Solution

The fourth proportional to 23,857.20, 35,785.80 and 19,701.90 is: 29,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,857.20 : 35,785.80 = 19,701.90 : x
  2. Step 2: Convert to fraction form
    23,857.20/35,785.80 = 19,701.90/x
  3. Step 3: Cross multiply
    23,857.20x = 35,785.80 × 19,701.90
  4. Step 4: Simplify right side
    23,857.20x = 705,048,253.02
  5. Step 5: Solve for x
    x = 705,048,253.02/23,857.20
  6. Step 6: Final answer
    x = 29,552.85

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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.