Home / 40,111.88-60,167.06-13,816.04

Finding the Fourth Proportional to 40,111.88, 60,167.06 and 13,816.04

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Solution

The fourth proportional to 40,111.88, 60,167.06 and 13,816.04 is: 20,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,111.88 : 60,167.06 = 13,816.04 : x
  2. Step 2: Convert to fraction form
    40,111.88/60,167.06 = 13,816.04/x
  3. Step 3: Cross multiply
    40,111.88x = 60,167.06 × 13,816.04
  4. Step 4: Simplify right side
    40,111.88x = 831,270,438.56
  5. Step 5: Solve for x
    x = 831,270,438.56/40,111.88
  6. Step 6: Final answer
    x = 20,723.80

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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.