Home / 13,962.05-19,270.67-8,589.11

Finding the Fourth Proportional to 13,962.05, 19,270.67 and 8,589.11

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Solution

The fourth proportional to 13,962.05, 19,270.67 and 8,589.11 is: 11,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.05 : 19,270.67 = 8,589.11 : x
  2. Step 2: Convert to fraction form
    13,962.05/19,270.67 = 8,589.11/x
  3. Step 3: Cross multiply
    13,962.05x = 19,270.67 × 8,589.11
  4. Step 4: Simplify right side
    13,962.05x = 165,517,765.10
  5. Step 5: Solve for x
    x = 165,517,765.10/13,962.05
  6. Step 6: Final answer
    x = 11,854.84

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1.5x scale

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.