Home / 25,812.06-38,741.85-15,970.56

Finding the Fourth Proportional to 25,812.06, 38,741.85 and 15,970.56

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Solution

The fourth proportional to 25,812.06, 38,741.85 and 15,970.56 is: 23,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812.06 : 38,741.85 = 15,970.56 : x
  2. Step 2: Convert to fraction form
    25,812.06/38,741.85 = 15,970.56/x
  3. Step 3: Cross multiply
    25,812.06x = 38,741.85 × 15,970.56
  4. Step 4: Simplify right side
    25,812.06x = 618,729,039.94
  5. Step 5: Solve for x
    x = 618,729,039.94/25,812.06
  6. Step 6: Final answer
    x = 23,970.54

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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.