Home / 23,395.12-32,285.76-12,785.44

Finding the Fourth Proportional to 23,395.12, 32,285.76 and 12,785.44

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Solution

The fourth proportional to 23,395.12, 32,285.76 and 12,785.44 is: 17,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,395.12 : 32,285.76 = 12,785.44 : x
  2. Step 2: Convert to fraction form
    23,395.12/32,285.76 = 12,785.44/x
  3. Step 3: Cross multiply
    23,395.12x = 32,285.76 × 12,785.44
  4. Step 4: Simplify right side
    23,395.12x = 412,787,647.33
  5. Step 5: Solve for x
    x = 412,787,647.33/23,395.12
  6. Step 6: Final answer
    x = 17,644.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.