Home / 14,777.30-20,391.96-8,062.53

Finding the Fourth Proportional to 14,777.30, 20,391.96 and 8,062.53

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Solution

The fourth proportional to 14,777.30, 20,391.96 and 8,062.53 is: 11,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.30 : 20,391.96 = 8,062.53 : x
  2. Step 2: Convert to fraction form
    14,777.30/20,391.96 = 8,062.53/x
  3. Step 3: Cross multiply
    14,777.30x = 20,391.96 × 8,062.53
  4. Step 4: Simplify right side
    14,777.30x = 164,410,646.99
  5. Step 5: Solve for x
    x = 164,410,646.99/14,777.30
  6. Step 6: Final answer
    x = 11,125.89

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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.