Home / 19,690.14-27,171.90-10,737.84

Finding the Fourth Proportional to 19,690.14, 27,171.90 and 10,737.84

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Solution

The fourth proportional to 19,690.14, 27,171.90 and 10,737.84 is: 14,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.14 : 27,171.90 = 10,737.84 : x
  2. Step 2: Convert to fraction form
    19,690.14/27,171.90 = 10,737.84/x
  3. Step 3: Cross multiply
    19,690.14x = 27,171.90 × 10,737.84
  4. Step 4: Simplify right side
    19,690.14x = 291,767,514.70
  5. Step 5: Solve for x
    x = 291,767,514.70/19,690.14
  6. Step 6: Final answer
    x = 14,817.95

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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.