Home / 19,690.42-27,171.96-10,737.76

Finding the Fourth Proportional to 19,690.42, 27,171.96 and 10,737.76

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Solution

The fourth proportional to 19,690.42, 27,171.96 and 10,737.76 is: 14,817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.42 : 27,171.96 = 10,737.76 : x
  2. Step 2: Convert to fraction form
    19,690.42/27,171.96 = 10,737.76/x
  3. Step 3: Cross multiply
    19,690.42x = 27,171.96 × 10,737.76
  4. Step 4: Simplify right side
    19,690.42x = 291,765,985.21
  5. Step 5: Solve for x
    x = 291,765,985.21/19,690.42
  6. Step 6: Final answer
    x = 14,817.66

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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.