Home / 25,438.21-38,110.50-15,948.72

Finding the Fourth Proportional to 25,438.21, 38,110.50 and 15,948.72

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Solution

The fourth proportional to 25,438.21, 38,110.50 and 15,948.72 is: 23,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.21 : 38,110.50 = 15,948.72 : x
  2. Step 2: Convert to fraction form
    25,438.21/38,110.50 = 15,948.72/x
  3. Step 3: Cross multiply
    25,438.21x = 38,110.50 × 15,948.72
  4. Step 4: Simplify right side
    25,438.21x = 607,813,693.56
  5. Step 5: Solve for x
    x = 607,813,693.56/25,438.21
  6. Step 6: Final answer
    x = 23,893.73

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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.