Home / 19,807.57-27,334.43-11,851.68

Finding the Fourth Proportional to 19,807.57, 27,334.43 and 11,851.68

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Solution

The fourth proportional to 19,807.57, 27,334.43 and 11,851.68 is: 16,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.57 : 27,334.43 = 11,851.68 : x
  2. Step 2: Convert to fraction form
    19,807.57/27,334.43 = 11,851.68/x
  3. Step 3: Cross multiply
    19,807.57x = 27,334.43 × 11,851.68
  4. Step 4: Simplify right side
    19,807.57x = 323,959,005.03
  5. Step 5: Solve for x
    x = 323,959,005.03/19,807.57
  6. Step 6: Final answer
    x = 16,355.31

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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.