Home / 19,807.46-27,330.03-11,743.65

Finding the Fourth Proportional to 19,807.46, 27,330.03 and 11,743.65

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Solution

The fourth proportional to 19,807.46, 27,330.03 and 11,743.65 is: 16,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.46 : 27,330.03 = 11,743.65 : x
  2. Step 2: Convert to fraction form
    19,807.46/27,330.03 = 11,743.65/x
  3. Step 3: Cross multiply
    19,807.46x = 27,330.03 × 11,743.65
  4. Step 4: Simplify right side
    19,807.46x = 320,954,306.81
  5. Step 5: Solve for x
    x = 320,954,306.81/19,807.46
  6. Step 6: Final answer
    x = 16,203.71

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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.