Home / 19,689.58-27,171.75-10,737.22

Finding the Fourth Proportional to 19,689.58, 27,171.75 and 10,737.22

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Solution

The fourth proportional to 19,689.58, 27,171.75 and 10,737.22 is: 14,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.58 : 27,171.75 = 10,737.22 : x
  2. Step 2: Convert to fraction form
    19,689.58/27,171.75 = 10,737.22/x
  3. Step 3: Cross multiply
    19,689.58x = 27,171.75 × 10,737.22
  4. Step 4: Simplify right side
    19,689.58x = 291,749,057.54
  5. Step 5: Solve for x
    x = 291,749,057.54/19,689.58
  6. Step 6: Final answer
    x = 14,817.43

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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.