Home / 18,622.10-27,933.09-7,528.66

Finding the Fourth Proportional to 18,622.10, 27,933.09 and 7,528.66

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Solution

The fourth proportional to 18,622.10, 27,933.09 and 7,528.66 is: 11,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.10 : 27,933.09 = 7,528.66 : x
  2. Step 2: Convert to fraction form
    18,622.10/27,933.09 = 7,528.66/x
  3. Step 3: Cross multiply
    18,622.10x = 27,933.09 × 7,528.66
  4. Step 4: Simplify right side
    18,622.10x = 210,298,639.29
  5. Step 5: Solve for x
    x = 210,298,639.29/18,622.10
  6. Step 6: Final answer
    x = 11,292.96

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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.