Home / 21,735.36-32,593.20-8,577.60

Finding the Fourth Proportional to 21,735.36, 32,593.20 and 8,577.60

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Solution

The fourth proportional to 21,735.36, 32,593.20 and 8,577.60 is: 12,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.36 : 32,593.20 = 8,577.60 : x
  2. Step 2: Convert to fraction form
    21,735.36/32,593.20 = 8,577.60/x
  3. Step 3: Cross multiply
    21,735.36x = 32,593.20 × 8,577.60
  4. Step 4: Simplify right side
    21,735.36x = 279,571,432.32
  5. Step 5: Solve for x
    x = 279,571,432.32/21,735.36
  6. Step 6: Final answer
    x = 12,862.52

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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.