Home / 16,812.29-23,199.62-9,739.17

Finding the Fourth Proportional to 16,812.29, 23,199.62 and 9,739.17

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Solution

The fourth proportional to 16,812.29, 23,199.62 and 9,739.17 is: 13,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.29 : 23,199.62 = 9,739.17 : x
  2. Step 2: Convert to fraction form
    16,812.29/23,199.62 = 9,739.17/x
  3. Step 3: Cross multiply
    16,812.29x = 23,199.62 × 9,739.17
  4. Step 4: Simplify right side
    16,812.29x = 225,944,994.42
  5. Step 5: Solve for x
    x = 225,944,994.42/16,812.29
  6. Step 6: Final answer
    x = 13,439.27

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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.