Home / 16,428.15-24,671.93-15,109.54

Finding the Fourth Proportional to 16,428.15, 24,671.93 and 15,109.54

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Solution

The fourth proportional to 16,428.15, 24,671.93 and 15,109.54 is: 22,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428.15 : 24,671.93 = 15,109.54 : x
  2. Step 2: Convert to fraction form
    16,428.15/24,671.93 = 15,109.54/x
  3. Step 3: Cross multiply
    16,428.15x = 24,671.93 × 15,109.54
  4. Step 4: Simplify right side
    16,428.15x = 372,781,513.21
  5. Step 5: Solve for x
    x = 372,781,513.21/16,428.15
  6. Step 6: Final answer
    x = 22,691.63

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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.