Home / 26,020.85-39,043.35-8,254.31

Finding the Fourth Proportional to 26,020.85, 39,043.35 and 8,254.31

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Solution

The fourth proportional to 26,020.85, 39,043.35 and 8,254.31 is: 12,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,020.85 : 39,043.35 = 8,254.31 : x
  2. Step 2: Convert to fraction form
    26,020.85/39,043.35 = 8,254.31/x
  3. Step 3: Cross multiply
    26,020.85x = 39,043.35 × 8,254.31
  4. Step 4: Simplify right side
    26,020.85x = 322,275,719.12
  5. Step 5: Solve for x
    x = 322,275,719.12/26,020.85
  6. Step 6: Final answer
    x = 12,385.29

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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.