Home / 25,776.20-35,562.84-15,168.44

Finding the Fourth Proportional to 25,776.20, 35,562.84 and 15,168.44

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Solution

The fourth proportional to 25,776.20, 35,562.84 and 15,168.44 is: 20,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.20 : 35,562.84 = 15,168.44 : x
  2. Step 2: Convert to fraction form
    25,776.20/35,562.84 = 15,168.44/x
  3. Step 3: Cross multiply
    25,776.20x = 35,562.84 × 15,168.44
  4. Step 4: Simplify right side
    25,776.20x = 539,432,804.77
  5. Step 5: Solve for x
    x = 539,432,804.77/25,776.20
  6. Step 6: Final answer
    x = 20,927.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.