Home / 25,116.66-34,661.61-13,787.28

Finding the Fourth Proportional to 25,116.66, 34,661.61 and 13,787.28

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Solution

The fourth proportional to 25,116.66, 34,661.61 and 13,787.28 is: 19,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,116.66 : 34,661.61 = 13,787.28 : x
  2. Step 2: Convert to fraction form
    25,116.66/34,661.61 = 13,787.28/x
  3. Step 3: Cross multiply
    25,116.66x = 34,661.61 × 13,787.28
  4. Step 4: Simplify right side
    25,116.66x = 477,889,322.32
  5. Step 5: Solve for x
    x = 477,889,322.32/25,116.66
  6. Step 6: Final answer
    x = 19,026.79

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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.