Home / 26,854.80-40,282.20-7,135.35

Finding the Fourth Proportional to 26,854.80, 40,282.20 and 7,135.35

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Solution

The fourth proportional to 26,854.80, 40,282.20 and 7,135.35 is: 10,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,854.80 : 40,282.20 = 7,135.35 : x
  2. Step 2: Convert to fraction form
    26,854.80/40,282.20 = 7,135.35/x
  3. Step 3: Cross multiply
    26,854.80x = 40,282.20 × 7,135.35
  4. Step 4: Simplify right side
    26,854.80x = 287,427,595.77
  5. Step 5: Solve for x
    x = 287,427,595.77/26,854.80
  6. Step 6: Final answer
    x = 10,703.03

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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.