Home / 16,505.13-22,777.11-9,431.53

Finding the Fourth Proportional to 16,505.13, 22,777.11 and 9,431.53

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Solution

The fourth proportional to 16,505.13, 22,777.11 and 9,431.53 is: 13,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,505.13 : 22,777.11 = 9,431.53 : x
  2. Step 2: Convert to fraction form
    16,505.13/22,777.11 = 9,431.53/x
  3. Step 3: Cross multiply
    16,505.13x = 22,777.11 × 9,431.53
  4. Step 4: Simplify right side
    16,505.13x = 214,822,996.28
  5. Step 5: Solve for x
    x = 214,822,996.28/16,505.13
  6. Step 6: Final answer
    x = 13,015.53

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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.