Home / 14,531.08-20,057.70-8,564.44

Finding the Fourth Proportional to 14,531.08, 20,057.70 and 8,564.44

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Solution

The fourth proportional to 14,531.08, 20,057.70 and 8,564.44 is: 11,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.08 : 20,057.70 = 8,564.44 : x
  2. Step 2: Convert to fraction form
    14,531.08/20,057.70 = 8,564.44/x
  3. Step 3: Cross multiply
    14,531.08x = 20,057.70 × 8,564.44
  4. Step 4: Simplify right side
    14,531.08x = 171,782,968.19
  5. Step 5: Solve for x
    x = 171,782,968.19/14,531.08
  6. Step 6: Final answer
    x = 11,821.76

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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.