Home / 14,256.20-21,359.75-10,089.35

Finding the Fourth Proportional to 14,256.20, 21,359.75 and 10,089.35

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Solution

The fourth proportional to 14,256.20, 21,359.75 and 10,089.35 is: 15,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.20 : 21,359.75 = 10,089.35 : x
  2. Step 2: Convert to fraction form
    14,256.20/21,359.75 = 10,089.35/x
  3. Step 3: Cross multiply
    14,256.20x = 21,359.75 × 10,089.35
  4. Step 4: Simplify right side
    14,256.20x = 215,505,993.66
  5. Step 5: Solve for x
    x = 215,505,993.66/14,256.20
  6. Step 6: Final answer
    x = 15,116.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.