Home / 19,960.10-27,545.14-11,007.92

Finding the Fourth Proportional to 19,960.10, 27,545.14 and 11,007.92

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Solution

The fourth proportional to 19,960.10, 27,545.14 and 11,007.92 is: 15,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.10 : 27,545.14 = 11,007.92 : x
  2. Step 2: Convert to fraction form
    19,960.10/27,545.14 = 11,007.92/x
  3. Step 3: Cross multiply
    19,960.10x = 27,545.14 × 11,007.92
  4. Step 4: Simplify right side
    19,960.10x = 303,214,697.51
  5. Step 5: Solve for x
    x = 303,214,697.51/19,960.10
  6. Step 6: Final answer
    x = 15,191.04

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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.