Home / 13,385.14-20,069.61-5,988.22

Finding the Fourth Proportional to 13,385.14, 20,069.61 and 5,988.22

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Solution

The fourth proportional to 13,385.14, 20,069.61 and 5,988.22 is: 8,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385.14 : 20,069.61 = 5,988.22 : x
  2. Step 2: Convert to fraction form
    13,385.14/20,069.61 = 5,988.22/x
  3. Step 3: Cross multiply
    13,385.14x = 20,069.61 × 5,988.22
  4. Step 4: Simplify right side
    13,385.14x = 120,181,167.36
  5. Step 5: Solve for x
    x = 120,181,167.36/13,385.14
  6. Step 6: Final answer
    x = 8,978.70

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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.