Home / 18,748.78-25,873.33-10,792.55

Finding the Fourth Proportional to 18,748.78, 25,873.33 and 10,792.55

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Solution

The fourth proportional to 18,748.78, 25,873.33 and 10,792.55 is: 14,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.78 : 25,873.33 = 10,792.55 : x
  2. Step 2: Convert to fraction form
    18,748.78/25,873.33 = 10,792.55/x
  3. Step 3: Cross multiply
    18,748.78x = 25,873.33 × 10,792.55
  4. Step 4: Simplify right side
    18,748.78x = 279,239,207.69
  5. Step 5: Solve for x
    x = 279,239,207.69/18,748.78
  6. Step 6: Final answer
    x = 14,893.73

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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.