Home / 19,711.08-27,201.12-10,758.54

Finding the Fourth Proportional to 19,711.08, 27,201.12 and 10,758.54

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Solution

The fourth proportional to 19,711.08, 27,201.12 and 10,758.54 is: 14,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.08 : 27,201.12 = 10,758.54 : x
  2. Step 2: Convert to fraction form
    19,711.08/27,201.12 = 10,758.54/x
  3. Step 3: Cross multiply
    19,711.08x = 27,201.12 × 10,758.54
  4. Step 4: Simplify right side
    19,711.08x = 292,644,337.56
  5. Step 5: Solve for x
    x = 292,644,337.56/19,711.08
  6. Step 6: Final answer
    x = 14,846.69

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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.