Home / 18,417.98-27,618.77-6,723

Finding the Fourth Proportional to 18,417.98, 27,618.77 and 6,723

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Solution

The fourth proportional to 18,417.98, 27,618.77 and 6,723 is: 10,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.98 : 27,618.77 = 6,723 : x
  2. Step 2: Convert to fraction form
    18,417.98/27,618.77 = 6,723/x
  3. Step 3: Cross multiply
    18,417.98x = 27,618.77 × 6,723
  4. Step 4: Simplify right side
    18,417.98x = 185,681,007.52
  5. Step 5: Solve for x
    x = 185,681,007.52/18,417.98
  6. Step 6: Final answer
    x = 10,081.51

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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.