Home / 13,595.22-20,387.34-5,270.85

Finding the Fourth Proportional to 13,595.22, 20,387.34 and 5,270.85

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Solution

The fourth proportional to 13,595.22, 20,387.34 and 5,270.85 is: 7,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.22 : 20,387.34 = 5,270.85 : x
  2. Step 2: Convert to fraction form
    13,595.22/20,387.34 = 5,270.85/x
  3. Step 3: Cross multiply
    13,595.22x = 20,387.34 × 5,270.85
  4. Step 4: Simplify right side
    13,595.22x = 107,458,611.04
  5. Step 5: Solve for x
    x = 107,458,611.04/13,595.22
  6. Step 6: Final answer
    x = 7,904.15

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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.