Home / 14,588.28-20,133.74-8,299.44

Finding the Fourth Proportional to 14,588.28, 20,133.74 and 8,299.44

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Solution

The fourth proportional to 14,588.28, 20,133.74 and 8,299.44 is: 11,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.28 : 20,133.74 = 8,299.44 : x
  2. Step 2: Convert to fraction form
    14,588.28/20,133.74 = 8,299.44/x
  3. Step 3: Cross multiply
    14,588.28x = 20,133.74 × 8,299.44
  4. Step 4: Simplify right side
    14,588.28x = 167,098,767.11
  5. Step 5: Solve for x
    x = 167,098,767.11/14,588.28
  6. Step 6: Final answer
    x = 11,454.32

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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.