Home / 39,914.07-59,872.92-13,619.04

Finding the Fourth Proportional to 39,914.07, 59,872.92 and 13,619.04

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Solution

The fourth proportional to 39,914.07, 59,872.92 and 13,619.04 is: 20,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.07 : 59,872.92 = 13,619.04 : x
  2. Step 2: Convert to fraction form
    39,914.07/59,872.92 = 13,619.04/x
  3. Step 3: Cross multiply
    39,914.07x = 59,872.92 × 13,619.04
  4. Step 4: Simplify right side
    39,914.07x = 815,411,692.40
  5. Step 5: Solve for x
    x = 815,411,692.40/39,914.07
  6. Step 6: Final answer
    x = 20,429.18

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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.