Home / 15,399.95-23,099.72-3,713.07

Finding the Fourth Proportional to 15,399.95, 23,099.72 and 3,713.07

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Solution

The fourth proportional to 15,399.95, 23,099.72 and 3,713.07 is: 5,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.95 : 23,099.72 = 3,713.07 : x
  2. Step 2: Convert to fraction form
    15,399.95/23,099.72 = 3,713.07/x
  3. Step 3: Cross multiply
    15,399.95x = 23,099.72 × 3,713.07
  4. Step 4: Simplify right side
    15,399.95x = 85,770,858.78
  5. Step 5: Solve for x
    x = 85,770,858.78/15,399.95
  6. Step 6: Final answer
    x = 5,569.56

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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.