Home / 16,556.38-24,818.16-7,775.57

Finding the Fourth Proportional to 16,556.38, 24,818.16 and 7,775.57

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Solution

The fourth proportional to 16,556.38, 24,818.16 and 7,775.57 is: 11,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,556.38 : 24,818.16 = 7,775.57 : x
  2. Step 2: Convert to fraction form
    16,556.38/24,818.16 = 7,775.57/x
  3. Step 3: Cross multiply
    16,556.38x = 24,818.16 × 7,775.57
  4. Step 4: Simplify right side
    16,556.38x = 192,975,340.35
  5. Step 5: Solve for x
    x = 192,975,340.35/16,556.38
  6. Step 6: Final answer
    x = 11,655.65

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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.