Home / 19,960.68-27,545.34-11,009.01

Finding the Fourth Proportional to 19,960.68, 27,545.34 and 11,009.01

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Solution

The fourth proportional to 19,960.68, 27,545.34 and 11,009.01 is: 15,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.68 : 27,545.34 = 11,009.01 : x
  2. Step 2: Convert to fraction form
    19,960.68/27,545.34 = 11,009.01/x
  3. Step 3: Cross multiply
    19,960.68x = 27,545.34 × 11,009.01
  4. Step 4: Simplify right side
    19,960.68x = 303,246,923.51
  5. Step 5: Solve for x
    x = 303,246,923.51/19,960.68
  6. Step 6: Final answer
    x = 15,192.21

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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.