Home / 19,617.60-27,076.22-11,658.28

Finding the Fourth Proportional to 19,617.60, 27,076.22 and 11,658.28

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Solution

The fourth proportional to 19,617.60, 27,076.22 and 11,658.28 is: 16,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.60 : 27,076.22 = 11,658.28 : x
  2. Step 2: Convert to fraction form
    19,617.60/27,076.22 = 11,658.28/x
  3. Step 3: Cross multiply
    19,617.60x = 27,076.22 × 11,658.28
  4. Step 4: Simplify right side
    19,617.60x = 315,662,154.10
  5. Step 5: Solve for x
    x = 315,662,154.10/19,617.60
  6. Step 6: Final answer
    x = 16,090.76

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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.