Home / 14,928.52-20,600.77-8,213.75

Finding the Fourth Proportional to 14,928.52, 20,600.77 and 8,213.75

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Solution

The fourth proportional to 14,928.52, 20,600.77 and 8,213.75 is: 11,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.52 : 20,600.77 = 8,213.75 : x
  2. Step 2: Convert to fraction form
    14,928.52/20,600.77 = 8,213.75/x
  3. Step 3: Cross multiply
    14,928.52x = 20,600.77 × 8,213.75
  4. Step 4: Simplify right side
    14,928.52x = 169,209,574.59
  5. Step 5: Solve for x
    x = 169,209,574.59/14,928.52
  6. Step 6: Final answer
    x = 11,334.65

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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.