Home / 25,268.85-37,861.56-15,378.21

Finding the Fourth Proportional to 25,268.85, 37,861.56 and 15,378.21

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Solution

The fourth proportional to 25,268.85, 37,861.56 and 15,378.21 is: 23,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,268.85 : 37,861.56 = 15,378.21 : x
  2. Step 2: Convert to fraction form
    25,268.85/37,861.56 = 15,378.21/x
  3. Step 3: Cross multiply
    25,268.85x = 37,861.56 × 15,378.21
  4. Step 4: Simplify right side
    25,268.85x = 582,243,020.61
  5. Step 5: Solve for x
    x = 582,243,020.61/25,268.85
  6. Step 6: Final answer
    x = 23,041.93

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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.