Home / 26,675.16-39,985.44-13,487.56

Finding the Fourth Proportional to 26,675.16, 39,985.44 and 13,487.56

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Solution

The fourth proportional to 26,675.16, 39,985.44 and 13,487.56 is: 20,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,675.16 : 39,985.44 = 13,487.56 : x
  2. Step 2: Convert to fraction form
    26,675.16/39,985.44 = 13,487.56/x
  3. Step 3: Cross multiply
    26,675.16x = 39,985.44 × 13,487.56
  4. Step 4: Simplify right side
    26,675.16x = 539,306,021.13
  5. Step 5: Solve for x
    x = 539,306,021.13/26,675.16
  6. Step 6: Final answer
    x = 20,217.54

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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.