Home / 19,888.92-27,445.77-10,936.80

Finding the Fourth Proportional to 19,888.92, 27,445.77 and 10,936.80

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Solution

The fourth proportional to 19,888.92, 27,445.77 and 10,936.80 is: 15,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.92 : 27,445.77 = 10,936.80 : x
  2. Step 2: Convert to fraction form
    19,888.92/27,445.77 = 10,936.80/x
  3. Step 3: Cross multiply
    19,888.92x = 27,445.77 × 10,936.80
  4. Step 4: Simplify right side
    19,888.92x = 300,168,897.34
  5. Step 5: Solve for x
    x = 300,168,897.34/19,888.92
  6. Step 6: Final answer
    x = 15,092.27

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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.