Home / 18,528.18-27,797.45-7,442.66

Finding the Fourth Proportional to 18,528.18, 27,797.45 and 7,442.66

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Solution

The fourth proportional to 18,528.18, 27,797.45 and 7,442.66 is: 11,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.18 : 27,797.45 = 7,442.66 : x
  2. Step 2: Convert to fraction form
    18,528.18/27,797.45 = 7,442.66/x
  3. Step 3: Cross multiply
    18,528.18x = 27,797.45 × 7,442.66
  4. Step 4: Simplify right side
    18,528.18x = 206,886,969.22
  5. Step 5: Solve for x
    x = 206,886,969.22/18,528.18
  6. Step 6: Final answer
    x = 11,166.07

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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.