Home / 18,151.81-27,234.75-7,066.28

Finding the Fourth Proportional to 18,151.81, 27,234.75 and 7,066.28

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Solution

The fourth proportional to 18,151.81, 27,234.75 and 7,066.28 is: 10,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.81 : 27,234.75 = 7,066.28 : x
  2. Step 2: Convert to fraction form
    18,151.81/27,234.75 = 7,066.28/x
  3. Step 3: Cross multiply
    18,151.81x = 27,234.75 × 7,066.28
  4. Step 4: Simplify right side
    18,151.81x = 192,448,369.23
  5. Step 5: Solve for x
    x = 192,448,369.23/18,151.81
  6. Step 6: Final answer
    x = 10,602.16

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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.