Home / 19,841.20-27,381.14-10,888.54

Finding the Fourth Proportional to 19,841.20, 27,381.14 and 10,888.54

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Solution

The fourth proportional to 19,841.20, 27,381.14 and 10,888.54 is: 15,026.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.20 : 27,381.14 = 10,888.54 : x
  2. Step 2: Convert to fraction form
    19,841.20/27,381.14 = 10,888.54/x
  3. Step 3: Cross multiply
    19,841.20x = 27,381.14 × 10,888.54
  4. Step 4: Simplify right side
    19,841.20x = 298,140,638.14
  5. Step 5: Solve for x
    x = 298,140,638.14/19,841.20
  6. Step 6: Final answer
    x = 15,026.34

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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.