Home / 25,154.72-34,712.08-13,976

Finding the Fourth Proportional to 25,154.72, 34,712.08 and 13,976

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Solution

The fourth proportional to 25,154.72, 34,712.08 and 13,976 is: 19,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,154.72 : 34,712.08 = 13,976 : x
  2. Step 2: Convert to fraction form
    25,154.72/34,712.08 = 13,976/x
  3. Step 3: Cross multiply
    25,154.72x = 34,712.08 × 13,976
  4. Step 4: Simplify right side
    25,154.72x = 485,136,030.08
  5. Step 5: Solve for x
    x = 485,136,030.08/25,154.72
  6. Step 6: Final answer
    x = 19,286.08

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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.