Home / 19,784.22-27,314.96-17,656.10

Finding the Fourth Proportional to 19,784.22, 27,314.96 and 17,656.10

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Solution

The fourth proportional to 19,784.22, 27,314.96 and 17,656.10 is: 24,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.22 : 27,314.96 = 17,656.10 : x
  2. Step 2: Convert to fraction form
    19,784.22/27,314.96 = 17,656.10/x
  3. Step 3: Cross multiply
    19,784.22x = 27,314.96 × 17,656.10
  4. Step 4: Simplify right side
    19,784.22x = 482,275,665.26
  5. Step 5: Solve for x
    x = 482,275,665.26/19,784.22
  6. Step 6: Final answer
    x = 24,376.78

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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.