Home / 25,811.06-38,740.35-15,969.56

Finding the Fourth Proportional to 25,811.06, 38,740.35 and 15,969.56

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Solution

The fourth proportional to 25,811.06, 38,740.35 and 15,969.56 is: 23,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.06 : 38,740.35 = 15,969.56 : x
  2. Step 2: Convert to fraction form
    25,811.06/38,740.35 = 15,969.56/x
  3. Step 3: Cross multiply
    25,811.06x = 38,740.35 × 15,969.56
  4. Step 4: Simplify right side
    25,811.06x = 618,666,343.75
  5. Step 5: Solve for x
    x = 618,666,343.75/25,811.06
  6. Step 6: Final answer
    x = 23,969.04

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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.