Home / 15,524.59-21,423.27-8,451.04

Finding the Fourth Proportional to 15,524.59, 21,423.27 and 8,451.04

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Solution

The fourth proportional to 15,524.59, 21,423.27 and 8,451.04 is: 11,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.59 : 21,423.27 = 8,451.04 : x
  2. Step 2: Convert to fraction form
    15,524.59/21,423.27 = 8,451.04/x
  3. Step 3: Cross multiply
    15,524.59x = 21,423.27 × 8,451.04
  4. Step 4: Simplify right side
    15,524.59x = 181,048,911.70
  5. Step 5: Solve for x
    x = 181,048,911.70/15,524.59
  6. Step 6: Final answer
    x = 11,662.07

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