Home / 13,444.90-20,175.63-8,507.74

Finding the Fourth Proportional to 13,444.90, 20,175.63 and 8,507.74

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Solution

The fourth proportional to 13,444.90, 20,175.63 and 8,507.74 is: 12,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.90 : 20,175.63 = 8,507.74 : x
  2. Step 2: Convert to fraction form
    13,444.90/20,175.63 = 8,507.74/x
  3. Step 3: Cross multiply
    13,444.90x = 20,175.63 × 8,507.74
  4. Step 4: Simplify right side
    13,444.90x = 171,649,014.38
  5. Step 5: Solve for x
    x = 171,649,014.38/13,444.90
  6. Step 6: Final answer
    x = 12,766.85

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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.