Home / 23,718.40-35,577.60-19,859.20

Finding the Fourth Proportional to 23,718.40, 35,577.60 and 19,859.20

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Solution

The fourth proportional to 23,718.40, 35,577.60 and 19,859.20 is: 29,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,718.40 : 35,577.60 = 19,859.20 : x
  2. Step 2: Convert to fraction form
    23,718.40/35,577.60 = 19,859.20/x
  3. Step 3: Cross multiply
    23,718.40x = 35,577.60 × 19,859.20
  4. Step 4: Simplify right side
    23,718.40x = 706,542,673.92
  5. Step 5: Solve for x
    x = 706,542,673.92/23,718.40
  6. Step 6: Final answer
    x = 29,788.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.