Home / 12,069.97-18,066.82-10,800.47

Finding the Fourth Proportional to 12,069.97, 18,066.82 and 10,800.47

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Solution

The fourth proportional to 12,069.97, 18,066.82 and 10,800.47 is: 16,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.97 : 18,066.82 = 10,800.47 : x
  2. Step 2: Convert to fraction form
    12,069.97/18,066.82 = 10,800.47/x
  3. Step 3: Cross multiply
    12,069.97x = 18,066.82 × 10,800.47
  4. Step 4: Simplify right side
    12,069.97x = 195,130,216.20
  5. Step 5: Solve for x
    x = 195,130,216.20/12,069.97
  6. Step 6: Final answer
    x = 16,166.59

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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.