Home / 13,588.38-18,750.24-7,924.97

Finding the Fourth Proportional to 13,588.38, 18,750.24 and 7,924.97

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Solution

The fourth proportional to 13,588.38, 18,750.24 and 7,924.97 is: 10,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.38 : 18,750.24 = 7,924.97 : x
  2. Step 2: Convert to fraction form
    13,588.38/18,750.24 = 7,924.97/x
  3. Step 3: Cross multiply
    13,588.38x = 18,750.24 × 7,924.97
  4. Step 4: Simplify right side
    13,588.38x = 148,595,136.37
  5. Step 5: Solve for x
    x = 148,595,136.37/13,588.38
  6. Step 6: Final answer
    x = 10,935.46

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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.