Home / 19,820.01-27,351.54-10,867.62

Finding the Fourth Proportional to 19,820.01, 27,351.54 and 10,867.62

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Solution

The fourth proportional to 19,820.01, 27,351.54 and 10,867.62 is: 14,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.01 : 27,351.54 = 10,867.62 : x
  2. Step 2: Convert to fraction form
    19,820.01/27,351.54 = 10,867.62/x
  3. Step 3: Cross multiply
    19,820.01x = 27,351.54 × 10,867.62
  4. Step 4: Simplify right side
    19,820.01x = 297,246,143.13
  5. Step 5: Solve for x
    x = 297,246,143.13/19,820.01
  6. Step 6: Final answer
    x = 14,997.28

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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.