Home / 14,928.15-20,600.61-8,213.37

Finding the Fourth Proportional to 14,928.15, 20,600.61 and 8,213.37

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Solution

The fourth proportional to 14,928.15, 20,600.61 and 8,213.37 is: 11,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.15 : 20,600.61 = 8,213.37 : x
  2. Step 2: Convert to fraction form
    14,928.15/20,600.61 = 8,213.37/x
  3. Step 3: Cross multiply
    14,928.15x = 20,600.61 × 8,213.37
  4. Step 4: Simplify right side
    14,928.15x = 169,200,432.16
  5. Step 5: Solve for x
    x = 169,200,432.16/14,928.15
  6. Step 6: Final answer
    x = 11,334.32

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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.