Home / 19,677.25-27,153.81-10,724.56

Finding the Fourth Proportional to 19,677.25, 27,153.81 and 10,724.56

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Solution

The fourth proportional to 19,677.25, 27,153.81 and 10,724.56 is: 14,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.25 : 27,153.81 = 10,724.56 : x
  2. Step 2: Convert to fraction form
    19,677.25/27,153.81 = 10,724.56/x
  3. Step 3: Cross multiply
    19,677.25x = 27,153.81 × 10,724.56
  4. Step 4: Simplify right side
    19,677.25x = 291,212,664.57
  5. Step 5: Solve for x
    x = 291,212,664.57/19,677.25
  6. Step 6: Final answer
    x = 14,799.46

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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.