Home / 19,841.34-27,380.96-10,889.00

Finding the Fourth Proportional to 19,841.34, 27,380.96 and 10,889.00

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Solution

The fourth proportional to 19,841.34, 27,380.96 and 10,889.00 is: 15,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.34 : 27,380.96 = 10,889.00 : x
  2. Step 2: Convert to fraction form
    19,841.34/27,380.96 = 10,889.00/x
  3. Step 3: Cross multiply
    19,841.34x = 27,380.96 × 10,889.00
  4. Step 4: Simplify right side
    19,841.34x = 298,151,082.09
  5. Step 5: Solve for x
    x = 298,151,082.09/19,841.34
  6. Step 6: Final answer
    x = 15,026.76

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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.