Home / 18,181.49-27,297.77-9,303.17

Finding the Fourth Proportional to 18,181.49, 27,297.77 and 9,303.17

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Solution

The fourth proportional to 18,181.49, 27,297.77 and 9,303.17 is: 13,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.49 : 27,297.77 = 9,303.17 : x
  2. Step 2: Convert to fraction form
    18,181.49/27,297.77 = 9,303.17/x
  3. Step 3: Cross multiply
    18,181.49x = 27,297.77 × 9,303.17
  4. Step 4: Simplify right side
    18,181.49x = 253,955,611.93
  5. Step 5: Solve for x
    x = 253,955,611.93/18,181.49
  6. Step 6: Final answer
    x = 13,967.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.