Home / 19,739.48-27,241.22-10,787.59

Finding the Fourth Proportional to 19,739.48, 27,241.22 and 10,787.59

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Solution

The fourth proportional to 19,739.48, 27,241.22 and 10,787.59 is: 14,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.48 : 27,241.22 = 10,787.59 : x
  2. Step 2: Convert to fraction form
    19,739.48/27,241.22 = 10,787.59/x
  3. Step 3: Cross multiply
    19,739.48x = 27,241.22 × 10,787.59
  4. Step 4: Simplify right side
    19,739.48x = 293,866,922.32
  5. Step 5: Solve for x
    x = 293,866,922.32/19,739.48
  6. Step 6: Final answer
    x = 14,887.27

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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.