Home / 16,211.81-24,319.08-5,115.52

Finding the Fourth Proportional to 16,211.81, 24,319.08 and 5,115.52

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Solution

The fourth proportional to 16,211.81, 24,319.08 and 5,115.52 is: 7,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.81 : 24,319.08 = 5,115.52 : x
  2. Step 2: Convert to fraction form
    16,211.81/24,319.08 = 5,115.52/x
  3. Step 3: Cross multiply
    16,211.81x = 24,319.08 × 5,115.52
  4. Step 4: Simplify right side
    16,211.81x = 124,404,679.32
  5. Step 5: Solve for x
    x = 124,404,679.32/16,211.81
  6. Step 6: Final answer
    x = 7,673.71

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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.