Home / 14,231.28-19,635.48-8,564.22

Finding the Fourth Proportional to 14,231.28, 19,635.48 and 8,564.22

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Solution

The fourth proportional to 14,231.28, 19,635.48 and 8,564.22 is: 11,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.28 : 19,635.48 = 8,564.22 : x
  2. Step 2: Convert to fraction form
    14,231.28/19,635.48 = 8,564.22/x
  3. Step 3: Cross multiply
    14,231.28x = 19,635.48 × 8,564.22
  4. Step 4: Simplify right side
    14,231.28x = 168,162,570.53
  5. Step 5: Solve for x
    x = 168,162,570.53/14,231.28
  6. Step 6: Final answer
    x = 11,816.41

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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.