Home / 19,734.05-27,232.54-10,781.59

Finding the Fourth Proportional to 19,734.05, 27,232.54 and 10,781.59

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Solution

The fourth proportional to 19,734.05, 27,232.54 and 10,781.59 is: 14,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.05 : 27,232.54 = 10,781.59 : x
  2. Step 2: Convert to fraction form
    19,734.05/27,232.54 = 10,781.59/x
  3. Step 3: Cross multiply
    19,734.05x = 27,232.54 × 10,781.59
  4. Step 4: Simplify right side
    19,734.05x = 293,610,080.94
  5. Step 5: Solve for x
    x = 293,610,080.94/19,734.05
  6. Step 6: Final answer
    x = 14,878.35

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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.