Home / 19,987.32-27,593.82-17,772.60

Finding the Fourth Proportional to 19,987.32, 27,593.82 and 17,772.60

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Solution

The fourth proportional to 19,987.32, 27,593.82 and 17,772.60 is: 24,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.32 : 27,593.82 = 17,772.60 : x
  2. Step 2: Convert to fraction form
    19,987.32/27,593.82 = 17,772.60/x
  3. Step 3: Cross multiply
    19,987.32x = 27,593.82 × 17,772.60
  4. Step 4: Simplify right side
    19,987.32x = 490,413,925.33
  5. Step 5: Solve for x
    x = 490,413,925.33/19,987.32
  6. Step 6: Final answer
    x = 24,536.25

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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.