Home / 14,922.28-20,592.79-8,208.60

Finding the Fourth Proportional to 14,922.28, 20,592.79 and 8,208.60

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Solution

The fourth proportional to 14,922.28, 20,592.79 and 8,208.60 is: 11,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,922.28 : 20,592.79 = 8,208.60 : x
  2. Step 2: Convert to fraction form
    14,922.28/20,592.79 = 8,208.60/x
  3. Step 3: Cross multiply
    14,922.28x = 20,592.79 × 8,208.60
  4. Step 4: Simplify right side
    14,922.28x = 169,037,873.03
  5. Step 5: Solve for x
    x = 169,037,873.03/14,922.28
  6. Step 6: Final answer
    x = 11,327.89

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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.