Home / 26,942.76-37,179-16,870.68

Finding the Fourth Proportional to 26,942.76, 37,179 and 16,870.68

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Solution

The fourth proportional to 26,942.76, 37,179 and 16,870.68 is: 23,280.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.76 : 37,179 = 16,870.68 : x
  2. Step 2: Convert to fraction form
    26,942.76/37,179 = 16,870.68/x
  3. Step 3: Cross multiply
    26,942.76x = 37,179 × 16,870.68
  4. Step 4: Simplify right side
    26,942.76x = 627,235,011.72
  5. Step 5: Solve for x
    x = 627,235,011.72/26,942.76
  6. Step 6: Final answer
    x = 23,280.28

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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.