Home / 15,910.07-23,848.70-7,147.49

Finding the Fourth Proportional to 15,910.07, 23,848.70 and 7,147.49

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Solution

The fourth proportional to 15,910.07, 23,848.70 and 7,147.49 is: 10,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.07 : 23,848.70 = 7,147.49 : x
  2. Step 2: Convert to fraction form
    15,910.07/23,848.70 = 7,147.49/x
  3. Step 3: Cross multiply
    15,910.07x = 23,848.70 × 7,147.49
  4. Step 4: Simplify right side
    15,910.07x = 170,458,189.78
  5. Step 5: Solve for x
    x = 170,458,189.78/15,910.07
  6. Step 6: Final answer
    x = 10,713.86

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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.