Home / 25,270.74-34,873.20-13,941.32

Finding the Fourth Proportional to 25,270.74, 34,873.20 and 13,941.32

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Solution

The fourth proportional to 25,270.74, 34,873.20 and 13,941.32 is: 19,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270.74 : 34,873.20 = 13,941.32 : x
  2. Step 2: Convert to fraction form
    25,270.74/34,873.20 = 13,941.32/x
  3. Step 3: Cross multiply
    25,270.74x = 34,873.20 × 13,941.32
  4. Step 4: Simplify right side
    25,270.74x = 486,178,266.26
  5. Step 5: Solve for x
    x = 486,178,266.26/25,270.74
  6. Step 6: Final answer
    x = 19,238.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.