Home / 25,915.96-38,823.09-13,444.12

Finding the Fourth Proportional to 25,915.96, 38,823.09 and 13,444.12

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Solution

The fourth proportional to 25,915.96, 38,823.09 and 13,444.12 is: 20,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.96 : 38,823.09 = 13,444.12 : x
  2. Step 2: Convert to fraction form
    25,915.96/38,823.09 = 13,444.12/x
  3. Step 3: Cross multiply
    25,915.96x = 38,823.09 × 13,444.12
  4. Step 4: Simplify right side
    25,915.96x = 521,942,280.73
  5. Step 5: Solve for x
    x = 521,942,280.73/25,915.96
  6. Step 6: Final answer
    x = 20,139.80

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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.