Home / 14,112.55-21,140.11-9,167.23

Finding the Fourth Proportional to 14,112.55, 21,140.11 and 9,167.23

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Solution

The fourth proportional to 14,112.55, 21,140.11 and 9,167.23 is: 13,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.55 : 21,140.11 = 9,167.23 : x
  2. Step 2: Convert to fraction form
    14,112.55/21,140.11 = 9,167.23/x
  3. Step 3: Cross multiply
    14,112.55x = 21,140.11 × 9,167.23
  4. Step 4: Simplify right side
    14,112.55x = 193,796,250.60
  5. Step 5: Solve for x
    x = 193,796,250.60/14,112.55
  6. Step 6: Final answer
    x = 13,732.19

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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.