Home / 14,756.22-20,363.94-8,789.04

Finding the Fourth Proportional to 14,756.22, 20,363.94 and 8,789.04

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Solution

The fourth proportional to 14,756.22, 20,363.94 and 8,789.04 is: 12,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,756.22 : 20,363.94 = 8,789.04 : x
  2. Step 2: Convert to fraction form
    14,756.22/20,363.94 = 8,789.04/x
  3. Step 3: Cross multiply
    14,756.22x = 20,363.94 × 8,789.04
  4. Step 4: Simplify right side
    14,756.22x = 178,979,483.22
  5. Step 5: Solve for x
    x = 178,979,483.22/14,756.22
  6. Step 6: Final answer
    x = 12,129.09

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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.