Home / 18,156.23-27,242.09-8,803.16

Finding the Fourth Proportional to 18,156.23, 27,242.09 and 8,803.16

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Solution

The fourth proportional to 18,156.23, 27,242.09 and 8,803.16 is: 13,208.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.23 : 27,242.09 = 8,803.16 : x
  2. Step 2: Convert to fraction form
    18,156.23/27,242.09 = 8,803.16/x
  3. Step 3: Cross multiply
    18,156.23x = 27,242.09 × 8,803.16
  4. Step 4: Simplify right side
    18,156.23x = 239,816,296.78
  5. Step 5: Solve for x
    x = 239,816,296.78/18,156.23
  6. Step 6: Final answer
    x = 13,208.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.