Home / 19,931.66-29,839.57-11,586.23

Finding the Fourth Proportional to 19,931.66, 29,839.57 and 11,586.23

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Solution

The fourth proportional to 19,931.66, 29,839.57 and 11,586.23 is: 17,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.66 : 29,839.57 = 11,586.23 : x
  2. Step 2: Convert to fraction form
    19,931.66/29,839.57 = 11,586.23/x
  3. Step 3: Cross multiply
    19,931.66x = 29,839.57 × 11,586.23
  4. Step 4: Simplify right side
    19,931.66x = 345,728,121.12
  5. Step 5: Solve for x
    x = 345,728,121.12/19,931.66
  6. Step 6: Final answer
    x = 17,345.68

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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.