Home / 19,683.53-27,162.29-11,184.53

Finding the Fourth Proportional to 19,683.53, 27,162.29 and 11,184.53

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Solution

The fourth proportional to 19,683.53, 27,162.29 and 11,184.53 is: 15,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.53 : 27,162.29 = 11,184.53 : x
  2. Step 2: Convert to fraction form
    19,683.53/27,162.29 = 11,184.53/x
  3. Step 3: Cross multiply
    19,683.53x = 27,162.29 × 11,184.53
  4. Step 4: Simplify right side
    19,683.53x = 303,797,391.45
  5. Step 5: Solve for x
    x = 303,797,391.45/19,683.53
  6. Step 6: Final answer
    x = 15,434.09

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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.