Home / 16,770.65-23,167.12-15,884.92

Finding the Fourth Proportional to 16,770.65, 23,167.12 and 15,884.92

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Solution

The fourth proportional to 16,770.65, 23,167.12 and 15,884.92 is: 21,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.65 : 23,167.12 = 15,884.92 : x
  2. Step 2: Convert to fraction form
    16,770.65/23,167.12 = 15,884.92/x
  3. Step 3: Cross multiply
    16,770.65x = 23,167.12 × 15,884.92
  4. Step 4: Simplify right side
    16,770.65x = 368,007,731.99
  5. Step 5: Solve for x
    x = 368,007,731.99/16,770.65
  6. Step 6: Final answer
    x = 21,943.56

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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.