Home / 23,253.12-34,879.68-20,531.52

Finding the Fourth Proportional to 23,253.12, 34,879.68 and 20,531.52

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Solution

The fourth proportional to 23,253.12, 34,879.68 and 20,531.52 is: 30,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,253.12 : 34,879.68 = 20,531.52 : x
  2. Step 2: Convert to fraction form
    23,253.12/34,879.68 = 20,531.52/x
  3. Step 3: Cross multiply
    23,253.12x = 34,879.68 × 20,531.52
  4. Step 4: Simplify right side
    23,253.12x = 716,132,847.51
  5. Step 5: Solve for x
    x = 716,132,847.51/23,253.12
  6. Step 6: Final answer
    x = 30,797.28

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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.