Home / 19,928.13-27,500.82-10,975.62

Finding the Fourth Proportional to 19,928.13, 27,500.82 and 10,975.62

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Solution

The fourth proportional to 19,928.13, 27,500.82 and 10,975.62 is: 15,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.13 : 27,500.82 = 10,975.62 : x
  2. Step 2: Convert to fraction form
    19,928.13/27,500.82 = 10,975.62/x
  3. Step 3: Cross multiply
    19,928.13x = 27,500.82 × 10,975.62
  4. Step 4: Simplify right side
    19,928.13x = 301,838,550.01
  5. Step 5: Solve for x
    x = 301,838,550.01/19,928.13
  6. Step 6: Final answer
    x = 15,146.36

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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.