Home / 14,531.76-20,063.16-8,946

Finding the Fourth Proportional to 14,531.76, 20,063.16 and 8,946

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Solution

The fourth proportional to 14,531.76, 20,063.16 and 8,946 is: 12,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.76 : 20,063.16 = 8,946 : x
  2. Step 2: Convert to fraction form
    14,531.76/20,063.16 = 8,946/x
  3. Step 3: Cross multiply
    14,531.76x = 20,063.16 × 8,946
  4. Step 4: Simplify right side
    14,531.76x = 179,485,029.36
  5. Step 5: Solve for x
    x = 179,485,029.36/14,531.76
  6. Step 6: Final answer
    x = 12,351.22

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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.