Home / 14,769.64-20,381.60-8,798.22

Finding the Fourth Proportional to 14,769.64, 20,381.60 and 8,798.22

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Solution

The fourth proportional to 14,769.64, 20,381.60 and 8,798.22 is: 12,141.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.64 : 20,381.60 = 8,798.22 : x
  2. Step 2: Convert to fraction form
    14,769.64/20,381.60 = 8,798.22/x
  3. Step 3: Cross multiply
    14,769.64x = 20,381.60 × 8,798.22
  4. Step 4: Simplify right side
    14,769.64x = 179,321,800.75
  5. Step 5: Solve for x
    x = 179,321,800.75/14,769.64
  6. Step 6: Final answer
    x = 12,141.24

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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.