Home / 13,974.95-20,962.44-5,655.04

Finding the Fourth Proportional to 13,974.95, 20,962.44 and 5,655.04

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Solution

The fourth proportional to 13,974.95, 20,962.44 and 5,655.04 is: 8,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.95 : 20,962.44 = 5,655.04 : x
  2. Step 2: Convert to fraction form
    13,974.95/20,962.44 = 5,655.04/x
  3. Step 3: Cross multiply
    13,974.95x = 20,962.44 × 5,655.04
  4. Step 4: Simplify right side
    13,974.95x = 118,543,436.70
  5. Step 5: Solve for x
    x = 118,543,436.70/13,974.95
  6. Step 6: Final answer
    x = 8,482.57

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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.