Home / 23,340.71-32,210.19-13,268.90

Finding the Fourth Proportional to 23,340.71, 32,210.19 and 13,268.90

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Solution

The fourth proportional to 23,340.71, 32,210.19 and 13,268.90 is: 18,311.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,340.71 : 32,210.19 = 13,268.90 : x
  2. Step 2: Convert to fraction form
    23,340.71/32,210.19 = 13,268.90/x
  3. Step 3: Cross multiply
    23,340.71x = 32,210.19 × 13,268.90
  4. Step 4: Simplify right side
    23,340.71x = 427,393,790.09
  5. Step 5: Solve for x
    x = 427,393,790.09/23,340.71
  6. Step 6: Final answer
    x = 18,311.09

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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.