Home / 18,186.53-27,220.59-10,168.07

Finding the Fourth Proportional to 18,186.53, 27,220.59 and 10,168.07

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Solution

The fourth proportional to 18,186.53, 27,220.59 and 10,168.07 is: 15,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.53 : 27,220.59 = 10,168.07 : x
  2. Step 2: Convert to fraction form
    18,186.53/27,220.59 = 10,168.07/x
  3. Step 3: Cross multiply
    18,186.53x = 27,220.59 × 10,168.07
  4. Step 4: Simplify right side
    18,186.53x = 276,780,728.46
  5. Step 5: Solve for x
    x = 276,780,728.46/18,186.53
  6. Step 6: Final answer
    x = 15,219.00

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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.