Home / 19,929.33-27,502.66-10,976.87

Finding the Fourth Proportional to 19,929.33, 27,502.66 and 10,976.87

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Solution

The fourth proportional to 19,929.33, 27,502.66 and 10,976.87 is: 15,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.33 : 27,502.66 = 10,976.87 : x
  2. Step 2: Convert to fraction form
    19,929.33/27,502.66 = 10,976.87/x
  3. Step 3: Cross multiply
    19,929.33x = 27,502.66 × 10,976.87
  4. Step 4: Simplify right side
    19,929.33x = 301,893,054.64
  5. Step 5: Solve for x
    x = 301,893,054.64/19,929.33
  6. Step 6: Final answer
    x = 15,148.18

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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.