Home / 16,230.81-24,349.86-5,138.16

Finding the Fourth Proportional to 16,230.81, 24,349.86 and 5,138.16

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Solution

The fourth proportional to 16,230.81, 24,349.86 and 5,138.16 is: 7,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.81 : 24,349.86 = 5,138.16 : x
  2. Step 2: Convert to fraction form
    16,230.81/24,349.86 = 5,138.16/x
  3. Step 3: Cross multiply
    16,230.81x = 24,349.86 × 5,138.16
  4. Step 4: Simplify right side
    16,230.81x = 125,113,476.66
  5. Step 5: Solve for x
    x = 125,113,476.66/16,230.81
  6. Step 6: Final answer
    x = 7,708.39

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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.