Home / 23,150.40-34,712.19-20,382.63

Finding the Fourth Proportional to 23,150.40, 34,712.19 and 20,382.63

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Solution

The fourth proportional to 23,150.40, 34,712.19 and 20,382.63 is: 30,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,150.40 : 34,712.19 = 20,382.63 : x
  2. Step 2: Convert to fraction form
    23,150.40/34,712.19 = 20,382.63/x
  3. Step 3: Cross multiply
    23,150.40x = 34,712.19 × 20,382.63
  4. Step 4: Simplify right side
    23,150.40x = 707,525,725.26
  5. Step 5: Solve for x
    x = 707,525,725.26/23,150.40
  6. Step 6: Final answer
    x = 30,562.14

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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.