Home / 19,572.93-27,006.12-13,211.33

Finding the Fourth Proportional to 19,572.93, 27,006.12 and 13,211.33

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Solution

The fourth proportional to 19,572.93, 27,006.12 and 13,211.33 is: 18,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.93 : 27,006.12 = 13,211.33 : x
  2. Step 2: Convert to fraction form
    19,572.93/27,006.12 = 13,211.33/x
  3. Step 3: Cross multiply
    19,572.93x = 27,006.12 × 13,211.33
  4. Step 4: Simplify right side
    19,572.93x = 356,786,628.31
  5. Step 5: Solve for x
    x = 356,786,628.31/19,572.93
  6. Step 6: Final answer
    x = 18,228.58

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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.