Home / 19,677.22-27,153.76-10,724.53

Finding the Fourth Proportional to 19,677.22, 27,153.76 and 10,724.53

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Solution

The fourth proportional to 19,677.22, 27,153.76 and 10,724.53 is: 14,799.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.22 : 27,153.76 = 10,724.53 : x
  2. Step 2: Convert to fraction form
    19,677.22/27,153.76 = 10,724.53/x
  3. Step 3: Cross multiply
    19,677.22x = 27,153.76 × 10,724.53
  4. Step 4: Simplify right side
    19,677.22x = 291,211,313.73
  5. Step 5: Solve for x
    x = 291,211,313.73/19,677.22
  6. Step 6: Final answer
    x = 14,799.41

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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.