Home / 16,803.61-23,186.62-11,129.56

Finding the Fourth Proportional to 16,803.61, 23,186.62 and 11,129.56

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Solution

The fourth proportional to 16,803.61, 23,186.62 and 11,129.56 is: 15,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.61 : 23,186.62 = 11,129.56 : x
  2. Step 2: Convert to fraction form
    16,803.61/23,186.62 = 11,129.56/x
  3. Step 3: Cross multiply
    16,803.61x = 23,186.62 × 11,129.56
  4. Step 4: Simplify right side
    16,803.61x = 258,056,834.43
  5. Step 5: Solve for x
    x = 258,056,834.43/16,803.61
  6. Step 6: Final answer
    x = 15,357.23

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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.