Home / 14,622.18-20,177.40-8,652.81

Finding the Fourth Proportional to 14,622.18, 20,177.40 and 8,652.81

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Solution

The fourth proportional to 14,622.18, 20,177.40 and 8,652.81 is: 11,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.18 : 20,177.40 = 8,652.81 : x
  2. Step 2: Convert to fraction form
    14,622.18/20,177.40 = 8,652.81/x
  3. Step 3: Cross multiply
    14,622.18x = 20,177.40 × 8,652.81
  4. Step 4: Simplify right side
    14,622.18x = 174,591,208.49
  5. Step 5: Solve for x
    x = 174,591,208.49/14,622.18
  6. Step 6: Final answer
    x = 11,940.16

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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.