Home / 19,690.05-27,171.27-10,737.48

Finding the Fourth Proportional to 19,690.05, 27,171.27 and 10,737.48

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Solution

The fourth proportional to 19,690.05, 27,171.27 and 10,737.48 is: 14,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.05 : 27,171.27 = 10,737.48 : x
  2. Step 2: Convert to fraction form
    19,690.05/27,171.27 = 10,737.48/x
  3. Step 3: Cross multiply
    19,690.05x = 27,171.27 × 10,737.48
  4. Step 4: Simplify right side
    19,690.05x = 291,750,968.20
  5. Step 5: Solve for x
    x = 291,750,968.20/19,690.05
  6. Step 6: Final answer
    x = 14,817.18

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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.