Home / 19,753.33-27,259.53-11,800.21

Finding the Fourth Proportional to 19,753.33, 27,259.53 and 11,800.21

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Solution

The fourth proportional to 19,753.33, 27,259.53 and 11,800.21 is: 16,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753.33 : 27,259.53 = 11,800.21 : x
  2. Step 2: Convert to fraction form
    19,753.33/27,259.53 = 11,800.21/x
  3. Step 3: Cross multiply
    19,753.33x = 27,259.53 × 11,800.21
  4. Step 4: Simplify right side
    19,753.33x = 321,668,178.50
  5. Step 5: Solve for x
    x = 321,668,178.50/19,753.33
  6. Step 6: Final answer
    x = 16,284.25

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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.