Home / 19,686.96-27,167.78-10,734.26

Finding the Fourth Proportional to 19,686.96, 27,167.78 and 10,734.26

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Solution

The fourth proportional to 19,686.96, 27,167.78 and 10,734.26 is: 14,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.96 : 27,167.78 = 10,734.26 : x
  2. Step 2: Convert to fraction form
    19,686.96/27,167.78 = 10,734.26/x
  3. Step 3: Cross multiply
    19,686.96x = 27,167.78 × 10,734.26
  4. Step 4: Simplify right side
    19,686.96x = 291,625,905.14
  5. Step 5: Solve for x
    x = 291,625,905.14/19,686.96
  6. Step 6: Final answer
    x = 14,813.15

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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.