Home / 15,699.93-23,553.99-5,171.55

Finding the Fourth Proportional to 15,699.93, 23,553.99 and 5,171.55

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Solution

The fourth proportional to 15,699.93, 23,553.99 and 5,171.55 is: 7,758.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.93 : 23,553.99 = 5,171.55 : x
  2. Step 2: Convert to fraction form
    15,699.93/23,553.99 = 5,171.55/x
  3. Step 3: Cross multiply
    15,699.93x = 23,553.99 × 5,171.55
  4. Step 4: Simplify right side
    15,699.93x = 121,810,548.66
  5. Step 5: Solve for x
    x = 121,810,548.66/15,699.93
  6. Step 6: Final answer
    x = 7,758.67

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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.