Home / 20,046.57-30,073.31-8,953.02

Finding the Fourth Proportional to 20,046.57, 30,073.31 and 8,953.02

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Solution

The fourth proportional to 20,046.57, 30,073.31 and 8,953.02 is: 13,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.57 : 30,073.31 = 8,953.02 : x
  2. Step 2: Convert to fraction form
    20,046.57/30,073.31 = 8,953.02/x
  3. Step 3: Cross multiply
    20,046.57x = 30,073.31 × 8,953.02
  4. Step 4: Simplify right side
    20,046.57x = 269,246,901.13
  5. Step 5: Solve for x
    x = 269,246,901.13/20,046.57
  6. Step 6: Final answer
    x = 13,431.07

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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.