Home / 19,689.85-27,171.66-10,737.37

Finding the Fourth Proportional to 19,689.85, 27,171.66 and 10,737.37

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Solution

The fourth proportional to 19,689.85, 27,171.66 and 10,737.37 is: 14,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.85 : 27,171.66 = 10,737.37 : x
  2. Step 2: Convert to fraction form
    19,689.85/27,171.66 = 10,737.37/x
  3. Step 3: Cross multiply
    19,689.85x = 27,171.66 × 10,737.37
  4. Step 4: Simplify right side
    19,689.85x = 291,752,166.93
  5. Step 5: Solve for x
    x = 291,752,166.93/19,689.85
  6. Step 6: Final answer
    x = 14,817.39

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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.