Home / 14,083.75-21,132.92-7,158.25

Finding the Fourth Proportional to 14,083.75, 21,132.92 and 7,158.25

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Solution

The fourth proportional to 14,083.75, 21,132.92 and 7,158.25 is: 10,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.75 : 21,132.92 = 7,158.25 : x
  2. Step 2: Convert to fraction form
    14,083.75/21,132.92 = 7,158.25/x
  3. Step 3: Cross multiply
    14,083.75x = 21,132.92 × 7,158.25
  4. Step 4: Simplify right side
    14,083.75x = 151,274,724.59
  5. Step 5: Solve for x
    x = 151,274,724.59/14,083.75
  6. Step 6: Final answer
    x = 10,741.08

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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.