Home / 13,776.70-20,652.92-5,462.55

Finding the Fourth Proportional to 13,776.70, 20,652.92 and 5,462.55

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Solution

The fourth proportional to 13,776.70, 20,652.92 and 5,462.55 is: 8,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776.70 : 20,652.92 = 5,462.55 : x
  2. Step 2: Convert to fraction form
    13,776.70/20,652.92 = 5,462.55/x
  3. Step 3: Cross multiply
    13,776.70x = 20,652.92 × 5,462.55
  4. Step 4: Simplify right side
    13,776.70x = 112,817,580.83
  5. Step 5: Solve for x
    x = 112,817,580.83/13,776.70
  6. Step 6: Final answer
    x = 8,189.02

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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.