Home / 14,928.09-20,600.85-8,214.42

Finding the Fourth Proportional to 14,928.09, 20,600.85 and 8,214.42

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Solution

The fourth proportional to 14,928.09, 20,600.85 and 8,214.42 is: 11,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.09 : 20,600.85 = 8,214.42 : x
  2. Step 2: Convert to fraction form
    14,928.09/20,600.85 = 8,214.42/x
  3. Step 3: Cross multiply
    14,928.09x = 20,600.85 × 8,214.42
  4. Step 4: Simplify right side
    14,928.09x = 169,224,034.26
  5. Step 5: Solve for x
    x = 169,224,034.26/14,928.09
  6. Step 6: Final answer
    x = 11,335.95

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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.