Home / 25,120.31-34,664.12-13,788.01

Finding the Fourth Proportional to 25,120.31, 34,664.12 and 13,788.01

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Solution

The fourth proportional to 25,120.31, 34,664.12 and 13,788.01 is: 19,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.31 : 34,664.12 = 13,788.01 : x
  2. Step 2: Convert to fraction form
    25,120.31/34,664.12 = 13,788.01/x
  3. Step 3: Cross multiply
    25,120.31x = 34,664.12 × 13,788.01
  4. Step 4: Simplify right side
    25,120.31x = 477,949,233.20
  5. Step 5: Solve for x
    x = 477,949,233.20/25,120.31
  6. Step 6: Final answer
    x = 19,026.41

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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.