Home / 14,777.06-20,391.90-8,062.82

Finding the Fourth Proportional to 14,777.06, 20,391.90 and 8,062.82

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Solution

The fourth proportional to 14,777.06, 20,391.90 and 8,062.82 is: 11,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.06 : 20,391.90 = 8,062.82 : x
  2. Step 2: Convert to fraction form
    14,777.06/20,391.90 = 8,062.82/x
  3. Step 3: Cross multiply
    14,777.06x = 20,391.90 × 8,062.82
  4. Step 4: Simplify right side
    14,777.06x = 164,416,219.16
  5. Step 5: Solve for x
    x = 164,416,219.16/14,777.06
  6. Step 6: Final answer
    x = 11,126.45

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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.