Home / 19,392.10-26,760.38-11,851.05

Finding the Fourth Proportional to 19,392.10, 26,760.38 and 11,851.05

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Solution

The fourth proportional to 19,392.10, 26,760.38 and 11,851.05 is: 16,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.10 : 26,760.38 = 11,851.05 : x
  2. Step 2: Convert to fraction form
    19,392.10/26,760.38 = 11,851.05/x
  3. Step 3: Cross multiply
    19,392.10x = 26,760.38 × 11,851.05
  4. Step 4: Simplify right side
    19,392.10x = 317,138,601.40
  5. Step 5: Solve for x
    x = 317,138,601.40/19,392.10
  6. Step 6: Final answer
    x = 16,354.01

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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.