Home / 25,571.79-38,371.86-9,787.32

Finding the Fourth Proportional to 25,571.79, 38,371.86 and 9,787.32

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Solution

The fourth proportional to 25,571.79, 38,371.86 and 9,787.32 is: 14,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.79 : 38,371.86 = 9,787.32 : x
  2. Step 2: Convert to fraction form
    25,571.79/38,371.86 = 9,787.32/x
  3. Step 3: Cross multiply
    25,571.79x = 38,371.86 × 9,787.32
  4. Step 4: Simplify right side
    25,571.79x = 375,557,672.82
  5. Step 5: Solve for x
    x = 375,557,672.82/25,571.79
  6. Step 6: Final answer
    x = 14,686.41

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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.