Home / 19,926.87-27,500.75-10,976.23

Finding the Fourth Proportional to 19,926.87, 27,500.75 and 10,976.23

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Solution

The fourth proportional to 19,926.87, 27,500.75 and 10,976.23 is: 15,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.87 : 27,500.75 = 10,976.23 : x
  2. Step 2: Convert to fraction form
    19,926.87/27,500.75 = 10,976.23/x
  3. Step 3: Cross multiply
    19,926.87x = 27,500.75 × 10,976.23
  4. Step 4: Simplify right side
    19,926.87x = 301,854,557.17
  5. Step 5: Solve for x
    x = 301,854,557.17/19,926.87
  6. Step 6: Final answer
    x = 15,148.12

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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.