Home / 15,593.04-21,518.46-8,520.12

Finding the Fourth Proportional to 15,593.04, 21,518.46 and 8,520.12

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Solution

The fourth proportional to 15,593.04, 21,518.46 and 8,520.12 is: 11,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.04 : 21,518.46 = 8,520.12 : x
  2. Step 2: Convert to fraction form
    15,593.04/21,518.46 = 8,520.12/x
  3. Step 3: Cross multiply
    15,593.04x = 21,518.46 × 8,520.12
  4. Step 4: Simplify right side
    15,593.04x = 183,339,861.42
  5. Step 5: Solve for x
    x = 183,339,861.42/15,593.04
  6. Step 6: Final answer
    x = 11,757.80

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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.