Home / 25,933.15-38,901.77-12,778.35

Finding the Fourth Proportional to 25,933.15, 38,901.77 and 12,778.35

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Solution

The fourth proportional to 25,933.15, 38,901.77 and 12,778.35 is: 19,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,933.15 : 38,901.77 = 12,778.35 : x
  2. Step 2: Convert to fraction form
    25,933.15/38,901.77 = 12,778.35/x
  3. Step 3: Cross multiply
    25,933.15x = 38,901.77 × 12,778.35
  4. Step 4: Simplify right side
    25,933.15x = 497,100,432.68
  5. Step 5: Solve for x
    x = 497,100,432.68/25,933.15
  6. Step 6: Final answer
    x = 19,168.53

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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.