Home / 15,815.94-23,723.82-4,129.13

Finding the Fourth Proportional to 15,815.94, 23,723.82 and 4,129.13

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Solution

The fourth proportional to 15,815.94, 23,723.82 and 4,129.13 is: 6,193.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.94 : 23,723.82 = 4,129.13 : x
  2. Step 2: Convert to fraction form
    15,815.94/23,723.82 = 4,129.13/x
  3. Step 3: Cross multiply
    15,815.94x = 23,723.82 × 4,129.13
  4. Step 4: Simplify right side
    15,815.94x = 97,958,618.26
  5. Step 5: Solve for x
    x = 97,958,618.26/15,815.94
  6. Step 6: Final answer
    x = 6,193.66

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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.