Home / 19,652.22-27,120.12-10,699.82

Finding the Fourth Proportional to 19,652.22, 27,120.12 and 10,699.82

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Solution

The fourth proportional to 19,652.22, 27,120.12 and 10,699.82 is: 14,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.22 : 27,120.12 = 10,699.82 : x
  2. Step 2: Convert to fraction form
    19,652.22/27,120.12 = 10,699.82/x
  3. Step 3: Cross multiply
    19,652.22x = 27,120.12 × 10,699.82
  4. Step 4: Simplify right side
    19,652.22x = 290,180,402.38
  5. Step 5: Solve for x
    x = 290,180,402.38/19,652.22
  6. Step 6: Final answer
    x = 14,765.78

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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.