Home / 25,854.24-38,782.20-7,135.68

Finding the Fourth Proportional to 25,854.24, 38,782.20 and 7,135.68

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Solution

The fourth proportional to 25,854.24, 38,782.20 and 7,135.68 is: 10,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,854.24 : 38,782.20 = 7,135.68 : x
  2. Step 2: Convert to fraction form
    25,854.24/38,782.20 = 7,135.68/x
  3. Step 3: Cross multiply
    25,854.24x = 38,782.20 × 7,135.68
  4. Step 4: Simplify right side
    25,854.24x = 276,737,368.90
  5. Step 5: Solve for x
    x = 276,737,368.90/25,854.24
  6. Step 6: Final answer
    x = 10,703.75

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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.