Home / 15,750.78-23,609.43-5,885.79

Finding the Fourth Proportional to 15,750.78, 23,609.43 and 5,885.79

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Solution

The fourth proportional to 15,750.78, 23,609.43 and 5,885.79 is: 8,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.78 : 23,609.43 = 5,885.79 : x
  2. Step 2: Convert to fraction form
    15,750.78/23,609.43 = 5,885.79/x
  3. Step 3: Cross multiply
    15,750.78x = 23,609.43 × 5,885.79
  4. Step 4: Simplify right side
    15,750.78x = 138,960,147.00
  5. Step 5: Solve for x
    x = 138,960,147.00/15,750.78
  6. Step 6: Final answer
    x = 8,822.43

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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.