Home / 26,436.60-39,647.34-19,019.16

Finding the Fourth Proportional to 26,436.60, 39,647.34 and 19,019.16

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Solution

The fourth proportional to 26,436.60, 39,647.34 and 19,019.16 is: 28,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436.60 : 39,647.34 = 19,019.16 : x
  2. Step 2: Convert to fraction form
    26,436.60/39,647.34 = 19,019.16/x
  3. Step 3: Cross multiply
    26,436.60x = 39,647.34 × 19,019.16
  4. Step 4: Simplify right side
    26,436.60x = 754,059,103.03
  5. Step 5: Solve for x
    x = 754,059,103.03/26,436.60
  6. Step 6: Final answer
    x = 28,523.30

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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.