Home / 25,116.74-34,661.54-13,787.30

Finding the Fourth Proportional to 25,116.74, 34,661.54 and 13,787.30

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Solution

The fourth proportional to 25,116.74, 34,661.54 and 13,787.30 is: 19,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,116.74 : 34,661.54 = 13,787.30 : x
  2. Step 2: Convert to fraction form
    25,116.74/34,661.54 = 13,787.30/x
  3. Step 3: Cross multiply
    25,116.74x = 34,661.54 × 13,787.30
  4. Step 4: Simplify right side
    25,116.74x = 477,889,050.44
  5. Step 5: Solve for x
    x = 477,889,050.44/25,116.74
  6. Step 6: Final answer
    x = 19,026.71

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1.5x scale

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.