Home / 16,559.12-24,822.28-7,778.32

Finding the Fourth Proportional to 16,559.12, 24,822.28 and 7,778.32

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Solution

The fourth proportional to 16,559.12, 24,822.28 and 7,778.32 is: 11,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,559.12 : 24,822.28 = 7,778.32 : x
  2. Step 2: Convert to fraction form
    16,559.12/24,822.28 = 7,778.32/x
  3. Step 3: Cross multiply
    16,559.12x = 24,822.28 × 7,778.32
  4. Step 4: Simplify right side
    16,559.12x = 193,075,636.97
  5. Step 5: Solve for x
    x = 193,075,636.97/16,559.12
  6. Step 6: Final answer
    x = 11,659.78

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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.