Home / 13,122.04-19,677.13-3,759.92

Finding the Fourth Proportional to 13,122.04, 19,677.13 and 3,759.92

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Solution

The fourth proportional to 13,122.04, 19,677.13 and 3,759.92 is: 5,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.04 : 19,677.13 = 3,759.92 : x
  2. Step 2: Convert to fraction form
    13,122.04/19,677.13 = 3,759.92/x
  3. Step 3: Cross multiply
    13,122.04x = 19,677.13 × 3,759.92
  4. Step 4: Simplify right side
    13,122.04x = 73,984,340.94
  5. Step 5: Solve for x
    x = 73,984,340.94/13,122.04
  6. Step 6: Final answer
    x = 5,638.17

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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.