Home / 19,840.48-27,377.87-11,882.50

Finding the Fourth Proportional to 19,840.48, 27,377.87 and 11,882.50

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Solution

The fourth proportional to 19,840.48, 27,377.87 and 11,882.50 is: 16,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.48 : 27,377.87 = 11,882.50 : x
  2. Step 2: Convert to fraction form
    19,840.48/27,377.87 = 11,882.50/x
  3. Step 3: Cross multiply
    19,840.48x = 27,377.87 × 11,882.50
  4. Step 4: Simplify right side
    19,840.48x = 325,317,412.42
  5. Step 5: Solve for x
    x = 325,317,412.42/19,840.48
  6. Step 6: Final answer
    x = 16,396.65

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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.