Home / 19,994.27-29,861.78-18,116.41

Finding the Fourth Proportional to 19,994.27, 29,861.78 and 18,116.41

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Solution

The fourth proportional to 19,994.27, 29,861.78 and 18,116.41 is: 27,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.27 : 29,861.78 = 18,116.41 : x
  2. Step 2: Convert to fraction form
    19,994.27/29,861.78 = 18,116.41/x
  3. Step 3: Cross multiply
    19,994.27x = 29,861.78 × 18,116.41
  4. Step 4: Simplify right side
    19,994.27x = 540,988,332.18
  5. Step 5: Solve for x
    x = 540,988,332.18/19,994.27
  6. Step 6: Final answer
    x = 27,057.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.