Home / 18,051.13-27,066.70-7,384.98

Finding the Fourth Proportional to 18,051.13, 27,066.70 and 7,384.98

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Solution

The fourth proportional to 18,051.13, 27,066.70 and 7,384.98 is: 11,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.13 : 27,066.70 = 7,384.98 : x
  2. Step 2: Convert to fraction form
    18,051.13/27,066.70 = 7,384.98/x
  3. Step 3: Cross multiply
    18,051.13x = 27,066.70 × 7,384.98
  4. Step 4: Simplify right side
    18,051.13x = 199,887,084.30
  5. Step 5: Solve for x
    x = 199,887,084.30/18,051.13
  6. Step 6: Final answer
    x = 11,073.38

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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.