Home / 14,928.06-20,601.22-8,214.43

Finding the Fourth Proportional to 14,928.06, 20,601.22 and 8,214.43

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Solution

The fourth proportional to 14,928.06, 20,601.22 and 8,214.43 is: 11,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.06 : 20,601.22 = 8,214.43 : x
  2. Step 2: Convert to fraction form
    14,928.06/20,601.22 = 8,214.43/x
  3. Step 3: Cross multiply
    14,928.06x = 20,601.22 × 8,214.43
  4. Step 4: Simplify right side
    14,928.06x = 169,227,261.59
  5. Step 5: Solve for x
    x = 169,227,261.59/14,928.06
  6. Step 6: Final answer
    x = 11,336.18

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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.