Home / 25,811.56-38,741.10-15,970.06

Finding the Fourth Proportional to 25,811.56, 38,741.10 and 15,970.06

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Solution

The fourth proportional to 25,811.56, 38,741.10 and 15,970.06 is: 23,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.56 : 38,741.10 = 15,970.06 : x
  2. Step 2: Convert to fraction form
    25,811.56/38,741.10 = 15,970.06/x
  3. Step 3: Cross multiply
    25,811.56x = 38,741.10 × 15,970.06
  4. Step 4: Simplify right side
    25,811.56x = 618,697,691.47
  5. Step 5: Solve for x
    x = 618,697,691.47/25,811.56
  6. Step 6: Final answer
    x = 23,969.79

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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.