Home / 15,667.20-21,622.10-8,594.99

Finding the Fourth Proportional to 15,667.20, 21,622.10 and 8,594.99

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Solution

The fourth proportional to 15,667.20, 21,622.10 and 8,594.99 is: 11,861.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.20 : 21,622.10 = 8,594.99 : x
  2. Step 2: Convert to fraction form
    15,667.20/21,622.10 = 8,594.99/x
  3. Step 3: Cross multiply
    15,667.20x = 21,622.10 × 8,594.99
  4. Step 4: Simplify right side
    15,667.20x = 185,841,733.28
  5. Step 5: Solve for x
    x = 185,841,733.28/15,667.20
  6. Step 6: Final answer
    x = 11,861.83

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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.