Home / 40,893.38-61,340.07-13,191.38

Finding the Fourth Proportional to 40,893.38, 61,340.07 and 13,191.38

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Solution

The fourth proportional to 40,893.38, 61,340.07 and 13,191.38 is: 19,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,893.38 : 61,340.07 = 13,191.38 : x
  2. Step 2: Convert to fraction form
    40,893.38/61,340.07 = 13,191.38/x
  3. Step 3: Cross multiply
    40,893.38x = 61,340.07 × 13,191.38
  4. Step 4: Simplify right side
    40,893.38x = 809,160,106.64
  5. Step 5: Solve for x
    x = 809,160,106.64/40,893.38
  6. Step 6: Final answer
    x = 19,787.07

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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.