Home / 16,415.25-24,602.21-8,918.70

Finding the Fourth Proportional to 16,415.25, 24,602.21 and 8,918.70

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Solution

The fourth proportional to 16,415.25, 24,602.21 and 8,918.70 is: 13,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.25 : 24,602.21 = 8,918.70 : x
  2. Step 2: Convert to fraction form
    16,415.25/24,602.21 = 8,918.70/x
  3. Step 3: Cross multiply
    16,415.25x = 24,602.21 × 8,918.70
  4. Step 4: Simplify right side
    16,415.25x = 219,419,730.33
  5. Step 5: Solve for x
    x = 219,419,730.33/16,415.25
  6. Step 6: Final answer
    x = 13,366.82

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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.