Home / 14,625.36-20,188.24-8,657.08

Finding the Fourth Proportional to 14,625.36, 20,188.24 and 8,657.08

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Solution

The fourth proportional to 14,625.36, 20,188.24 and 8,657.08 is: 11,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.36 : 20,188.24 = 8,657.08 : x
  2. Step 2: Convert to fraction form
    14,625.36/20,188.24 = 8,657.08/x
  3. Step 3: Cross multiply
    14,625.36x = 20,188.24 × 8,657.08
  4. Step 4: Simplify right side
    14,625.36x = 174,771,136.63
  5. Step 5: Solve for x
    x = 174,771,136.63/14,625.36
  6. Step 6: Final answer
    x = 11,949.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.