Home / 14,777.08-20,391.72-8,062.60

Finding the Fourth Proportional to 14,777.08, 20,391.72 and 8,062.60

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Solution

The fourth proportional to 14,777.08, 20,391.72 and 8,062.60 is: 11,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.08 : 20,391.72 = 8,062.60 : x
  2. Step 2: Convert to fraction form
    14,777.08/20,391.72 = 8,062.60/x
  3. Step 3: Cross multiply
    14,777.08x = 20,391.72 × 8,062.60
  4. Step 4: Simplify right side
    14,777.08x = 164,410,281.67
  5. Step 5: Solve for x
    x = 164,410,281.67/14,777.08
  6. Step 6: Final answer
    x = 11,126.03

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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.