Home / 25,571.76-38,361.90-11,531.46

Finding the Fourth Proportional to 25,571.76, 38,361.90 and 11,531.46

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Solution

The fourth proportional to 25,571.76, 38,361.90 and 11,531.46 is: 17,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.76 : 38,361.90 = 11,531.46 : x
  2. Step 2: Convert to fraction form
    25,571.76/38,361.90 = 11,531.46/x
  3. Step 3: Cross multiply
    25,571.76x = 38,361.90 × 11,531.46
  4. Step 4: Simplify right side
    25,571.76x = 442,368,715.37
  5. Step 5: Solve for x
    x = 442,368,715.37/25,571.76
  6. Step 6: Final answer
    x = 17,299.11

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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.