Home / 17,972.66-24,812.62-13,690.10

Finding the Fourth Proportional to 17,972.66, 24,812.62 and 13,690.10

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Solution

The fourth proportional to 17,972.66, 24,812.62 and 13,690.10 is: 18,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.66 : 24,812.62 = 13,690.10 : x
  2. Step 2: Convert to fraction form
    17,972.66/24,812.62 = 13,690.10/x
  3. Step 3: Cross multiply
    17,972.66x = 24,812.62 × 13,690.10
  4. Step 4: Simplify right side
    17,972.66x = 339,687,249.06
  5. Step 5: Solve for x
    x = 339,687,249.06/17,972.66
  6. Step 6: Final answer
    x = 18,900.22

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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.