Home / 18,297.66-27,447.96-5,151.08

Finding the Fourth Proportional to 18,297.66, 27,447.96 and 5,151.08

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Solution

The fourth proportional to 18,297.66, 27,447.96 and 5,151.08 is: 7,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.66 : 27,447.96 = 5,151.08 : x
  2. Step 2: Convert to fraction form
    18,297.66/27,447.96 = 5,151.08/x
  3. Step 3: Cross multiply
    18,297.66x = 27,447.96 × 5,151.08
  4. Step 4: Simplify right side
    18,297.66x = 141,386,637.80
  5. Step 5: Solve for x
    x = 141,386,637.80/18,297.66
  6. Step 6: Final answer
    x = 7,727.03

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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.