Home / 25,636.60-38,432.11-13,796.74

Finding the Fourth Proportional to 25,636.60, 38,432.11 and 13,796.74

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Solution

The fourth proportional to 25,636.60, 38,432.11 and 13,796.74 is: 20,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636.60 : 38,432.11 = 13,796.74 : x
  2. Step 2: Convert to fraction form
    25,636.60/38,432.11 = 13,796.74/x
  3. Step 3: Cross multiply
    25,636.60x = 38,432.11 × 13,796.74
  4. Step 4: Simplify right side
    25,636.60x = 530,237,829.32
  5. Step 5: Solve for x
    x = 530,237,829.32/25,636.60
  6. Step 6: Final answer
    x = 20,682.85

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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.