Home / 19,773.12-27,286.65-10,820.46

Finding the Fourth Proportional to 19,773.12, 27,286.65 and 10,820.46

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Solution

The fourth proportional to 19,773.12, 27,286.65 and 10,820.46 is: 14,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.12 : 27,286.65 = 10,820.46 : x
  2. Step 2: Convert to fraction form
    19,773.12/27,286.65 = 10,820.46/x
  3. Step 3: Cross multiply
    19,773.12x = 27,286.65 × 10,820.46
  4. Step 4: Simplify right side
    19,773.12x = 295,254,104.86
  5. Step 5: Solve for x
    x = 295,254,104.86/19,773.12
  6. Step 6: Final answer
    x = 14,932.09

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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.