Home / 14,816.61-20,446.94-8,102.26

Finding the Fourth Proportional to 14,816.61, 20,446.94 and 8,102.26

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Solution

The fourth proportional to 14,816.61, 20,446.94 and 8,102.26 is: 11,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.61 : 20,446.94 = 8,102.26 : x
  2. Step 2: Convert to fraction form
    14,816.61/20,446.94 = 8,102.26/x
  3. Step 3: Cross multiply
    14,816.61x = 20,446.94 × 8,102.26
  4. Step 4: Simplify right side
    14,816.61x = 165,666,424.08
  5. Step 5: Solve for x
    x = 165,666,424.08/14,816.61
  6. Step 6: Final answer
    x = 11,181.13

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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.