Home / 19,652.37-27,120.11-10,699.86

Finding the Fourth Proportional to 19,652.37, 27,120.11 and 10,699.86

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Solution

The fourth proportional to 19,652.37, 27,120.11 and 10,699.86 is: 14,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.37 : 27,120.11 = 10,699.86 : x
  2. Step 2: Convert to fraction form
    19,652.37/27,120.11 = 10,699.86/x
  3. Step 3: Cross multiply
    19,652.37x = 27,120.11 × 10,699.86
  4. Step 4: Simplify right side
    19,652.37x = 290,181,380.18
  5. Step 5: Solve for x
    x = 290,181,380.18/19,652.37
  6. Step 6: Final answer
    x = 14,765.72

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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.