Home / 14,914.95-20,583.18-8,542.53

Finding the Fourth Proportional to 14,914.95, 20,583.18 and 8,542.53

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Solution

The fourth proportional to 14,914.95, 20,583.18 and 8,542.53 is: 11,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914.95 : 20,583.18 = 8,542.53 : x
  2. Step 2: Convert to fraction form
    14,914.95/20,583.18 = 8,542.53/x
  3. Step 3: Cross multiply
    14,914.95x = 20,583.18 × 8,542.53
  4. Step 4: Simplify right side
    14,914.95x = 175,832,432.65
  5. Step 5: Solve for x
    x = 175,832,432.65/14,914.95
  6. Step 6: Final answer
    x = 11,789.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.