Home / 19,717.31-27,208.86-10,763.09

Finding the Fourth Proportional to 19,717.31, 27,208.86 and 10,763.09

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Solution

The fourth proportional to 19,717.31, 27,208.86 and 10,763.09 is: 14,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.31 : 27,208.86 = 10,763.09 : x
  2. Step 2: Convert to fraction form
    19,717.31/27,208.86 = 10,763.09/x
  3. Step 3: Cross multiply
    19,717.31x = 27,208.86 × 10,763.09
  4. Step 4: Simplify right side
    19,717.31x = 292,851,408.98
  5. Step 5: Solve for x
    x = 292,851,408.98/19,717.31
  6. Step 6: Final answer
    x = 14,852.50

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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.