Home / 19,851.83-27,395.96-11,354.72

Finding the Fourth Proportional to 19,851.83, 27,395.96 and 11,354.72

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Solution

The fourth proportional to 19,851.83, 27,395.96 and 11,354.72 is: 15,669.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.83 : 27,395.96 = 11,354.72 : x
  2. Step 2: Convert to fraction form
    19,851.83/27,395.96 = 11,354.72/x
  3. Step 3: Cross multiply
    19,851.83x = 27,395.96 × 11,354.72
  4. Step 4: Simplify right side
    19,851.83x = 311,073,398.16
  5. Step 5: Solve for x
    x = 311,073,398.16/19,851.83
  6. Step 6: Final answer
    x = 15,669.76

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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.