Home / 19,689.83-27,171.47-10,737.50

Finding the Fourth Proportional to 19,689.83, 27,171.47 and 10,737.50

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Solution

The fourth proportional to 19,689.83, 27,171.47 and 10,737.50 is: 14,817.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.83 : 27,171.47 = 10,737.50 : x
  2. Step 2: Convert to fraction form
    19,689.83/27,171.47 = 10,737.50/x
  3. Step 3: Cross multiply
    19,689.83x = 27,171.47 × 10,737.50
  4. Step 4: Simplify right side
    19,689.83x = 291,753,605.44
  5. Step 5: Solve for x
    x = 291,753,605.44/19,689.83
  6. Step 6: Final answer
    x = 14,817.48

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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.