Home / 26,202.79-39,280.96-18,788.59

Finding the Fourth Proportional to 26,202.79, 39,280.96 and 18,788.59

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Solution

The fourth proportional to 26,202.79, 39,280.96 and 18,788.59 is: 28,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,202.79 : 39,280.96 = 18,788.59 : x
  2. Step 2: Convert to fraction form
    26,202.79/39,280.96 = 18,788.59/x
  3. Step 3: Cross multiply
    26,202.79x = 39,280.96 × 18,788.59
  4. Step 4: Simplify right side
    26,202.79x = 738,033,852.25
  5. Step 5: Solve for x
    x = 738,033,852.25/26,202.79
  6. Step 6: Final answer
    x = 28,166.23

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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.