Home / 25,671.96-38,520.18-13,984.92

Finding the Fourth Proportional to 25,671.96, 38,520.18 and 13,984.92

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Solution

The fourth proportional to 25,671.96, 38,520.18 and 13,984.92 is: 20,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.96 : 38,520.18 = 13,984.92 : x
  2. Step 2: Convert to fraction form
    25,671.96/38,520.18 = 13,984.92/x
  3. Step 3: Cross multiply
    25,671.96x = 38,520.18 × 13,984.92
  4. Step 4: Simplify right side
    25,671.96x = 538,701,635.69
  5. Step 5: Solve for x
    x = 538,701,635.69/25,671.96
  6. Step 6: Final answer
    x = 20,984.05

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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.