Home / 19,714.47-27,206.61-11,216.38

Finding the Fourth Proportional to 19,714.47, 27,206.61 and 11,216.38

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Solution

The fourth proportional to 19,714.47, 27,206.61 and 11,216.38 is: 15,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.47 : 27,206.61 = 11,216.38 : x
  2. Step 2: Convert to fraction form
    19,714.47/27,206.61 = 11,216.38/x
  3. Step 3: Cross multiply
    19,714.47x = 27,206.61 × 11,216.38
  4. Step 4: Simplify right side
    19,714.47x = 305,159,725.27
  5. Step 5: Solve for x
    x = 305,159,725.27/19,714.47
  6. Step 6: Final answer
    x = 15,478.97

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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.