Home / 18,258.94-27,391.17-5,774.81

Finding the Fourth Proportional to 18,258.94, 27,391.17 and 5,774.81

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Solution

The fourth proportional to 18,258.94, 27,391.17 and 5,774.81 is: 8,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.94 : 27,391.17 = 5,774.81 : x
  2. Step 2: Convert to fraction form
    18,258.94/27,391.17 = 5,774.81/x
  3. Step 3: Cross multiply
    18,258.94x = 27,391.17 × 5,774.81
  4. Step 4: Simplify right side
    18,258.94x = 158,178,802.43
  5. Step 5: Solve for x
    x = 158,178,802.43/18,258.94
  6. Step 6: Final answer
    x = 8,663.09

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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.