Home / 19,998.39-27,603.12-11,501.46

Finding the Fourth Proportional to 19,998.39, 27,603.12 and 11,501.46

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Solution

The fourth proportional to 19,998.39, 27,603.12 and 11,501.46 is: 15,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.39 : 27,603.12 = 11,501.46 : x
  2. Step 2: Convert to fraction form
    19,998.39/27,603.12 = 11,501.46/x
  3. Step 3: Cross multiply
    19,998.39x = 27,603.12 × 11,501.46
  4. Step 4: Simplify right side
    19,998.39x = 317,476,180.56
  5. Step 5: Solve for x
    x = 317,476,180.56/19,998.39
  6. Step 6: Final answer
    x = 15,875.09

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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.