Home / 19,879.08-27,433.62-10,926.81

Finding the Fourth Proportional to 19,879.08, 27,433.62 and 10,926.81

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Solution

The fourth proportional to 19,879.08, 27,433.62 and 10,926.81 is: 15,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.08 : 27,433.62 = 10,926.81 : x
  2. Step 2: Convert to fraction form
    19,879.08/27,433.62 = 10,926.81/x
  3. Step 3: Cross multiply
    19,879.08x = 27,433.62 × 10,926.81
  4. Step 4: Simplify right side
    19,879.08x = 299,761,953.35
  5. Step 5: Solve for x
    x = 299,761,953.35/19,879.08
  6. Step 6: Final answer
    x = 15,079.27

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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.