Home / 27,669.66-38,192.31-19,288.86

Finding the Fourth Proportional to 27,669.66, 38,192.31 and 19,288.86

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Solution

The fourth proportional to 27,669.66, 38,192.31 and 19,288.86 is: 26,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.66 : 38,192.31 = 19,288.86 : x
  2. Step 2: Convert to fraction form
    27,669.66/38,192.31 = 19,288.86/x
  3. Step 3: Cross multiply
    27,669.66x = 38,192.31 × 19,288.86
  4. Step 4: Simplify right side
    27,669.66x = 736,686,120.67
  5. Step 5: Solve for x
    x = 736,686,120.67/27,669.66
  6. Step 6: Final answer
    x = 26,624.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.