Home / 19,960.67-27,545.18-11,008.01

Finding the Fourth Proportional to 19,960.67, 27,545.18 and 11,008.01

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Solution

The fourth proportional to 19,960.67, 27,545.18 and 11,008.01 is: 15,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.67 : 27,545.18 = 11,008.01 : x
  2. Step 2: Convert to fraction form
    19,960.67/27,545.18 = 11,008.01/x
  3. Step 3: Cross multiply
    19,960.67x = 27,545.18 × 11,008.01
  4. Step 4: Simplify right side
    19,960.67x = 303,217,424.13
  5. Step 5: Solve for x
    x = 303,217,424.13/19,960.67
  6. Step 6: Final answer
    x = 15,190.75

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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.