Home / 18,665.16-25,758.52-10,167.54

Finding the Fourth Proportional to 18,665.16, 25,758.52 and 10,167.54

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Solution

The fourth proportional to 18,665.16, 25,758.52 and 10,167.54 is: 14,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665.16 : 25,758.52 = 10,167.54 : x
  2. Step 2: Convert to fraction form
    18,665.16/25,758.52 = 10,167.54/x
  3. Step 3: Cross multiply
    18,665.16x = 25,758.52 × 10,167.54
  4. Step 4: Simplify right side
    18,665.16x = 261,900,782.44
  5. Step 5: Solve for x
    x = 261,900,782.44/18,665.16
  6. Step 6: Final answer
    x = 14,031.53

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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.