Home / 15,859.96-23,791.98-5,325.45

Finding the Fourth Proportional to 15,859.96, 23,791.98 and 5,325.45

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Solution

The fourth proportional to 15,859.96, 23,791.98 and 5,325.45 is: 7,988.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.96 : 23,791.98 = 5,325.45 : x
  2. Step 2: Convert to fraction form
    15,859.96/23,791.98 = 5,325.45/x
  3. Step 3: Cross multiply
    15,859.96x = 23,791.98 × 5,325.45
  4. Step 4: Simplify right side
    15,859.96x = 126,702,999.89
  5. Step 5: Solve for x
    x = 126,702,999.89/15,859.96
  6. Step 6: Final answer
    x = 7,988.86

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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.