Home / 25,507.90-38,261.80-6,787.94

Finding the Fourth Proportional to 25,507.90, 38,261.80 and 6,787.94

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Solution

The fourth proportional to 25,507.90, 38,261.80 and 6,787.94 is: 10,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.90 : 38,261.80 = 6,787.94 : x
  2. Step 2: Convert to fraction form
    25,507.90/38,261.80 = 6,787.94/x
  3. Step 3: Cross multiply
    25,507.90x = 38,261.80 × 6,787.94
  4. Step 4: Simplify right side
    25,507.90x = 259,718,802.69
  5. Step 5: Solve for x
    x = 259,718,802.69/25,507.90
  6. Step 6: Final answer
    x = 10,181.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.