Home / 18,228.75-27,343.13-5,916.75

Finding the Fourth Proportional to 18,228.75, 27,343.13 and 5,916.75

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Solution

The fourth proportional to 18,228.75, 27,343.13 and 5,916.75 is: 8,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.75 : 27,343.13 = 5,916.75 : x
  2. Step 2: Convert to fraction form
    18,228.75/27,343.13 = 5,916.75/x
  3. Step 3: Cross multiply
    18,228.75x = 27,343.13 × 5,916.75
  4. Step 4: Simplify right side
    18,228.75x = 161,782,434.84
  5. Step 5: Solve for x
    x = 161,782,434.84/18,228.75
  6. Step 6: Final answer
    x = 8,875.13

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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.