Home / 16,981.68-23,425.38-11,943.84

Finding the Fourth Proportional to 16,981.68, 23,425.38 and 11,943.84

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Solution

The fourth proportional to 16,981.68, 23,425.38 and 11,943.84 is: 16,475.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.68 : 23,425.38 = 11,943.84 : x
  2. Step 2: Convert to fraction form
    16,981.68/23,425.38 = 11,943.84/x
  3. Step 3: Cross multiply
    16,981.68x = 23,425.38 × 11,943.84
  4. Step 4: Simplify right side
    16,981.68x = 279,788,990.66
  5. Step 5: Solve for x
    x = 279,788,990.66/16,981.68
  6. Step 6: Final answer
    x = 16,475.93

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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.