Home / 16,678.38-23,015.84-9,124.63

Finding the Fourth Proportional to 16,678.38, 23,015.84 and 9,124.63

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Solution

The fourth proportional to 16,678.38, 23,015.84 and 9,124.63 is: 12,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.38 : 23,015.84 = 9,124.63 : x
  2. Step 2: Convert to fraction form
    16,678.38/23,015.84 = 9,124.63/x
  3. Step 3: Cross multiply
    16,678.38x = 23,015.84 × 9,124.63
  4. Step 4: Simplify right side
    16,678.38x = 210,010,920.98
  5. Step 5: Solve for x
    x = 210,010,920.98/16,678.38
  6. Step 6: Final answer
    x = 12,591.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.