Home / 14,908.50-20,573.73-8,621.28

Finding the Fourth Proportional to 14,908.50, 20,573.73 and 8,621.28

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Solution

The fourth proportional to 14,908.50, 20,573.73 and 8,621.28 is: 11,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.50 : 20,573.73 = 8,621.28 : x
  2. Step 2: Convert to fraction form
    14,908.50/20,573.73 = 8,621.28/x
  3. Step 3: Cross multiply
    14,908.50x = 20,573.73 × 8,621.28
  4. Step 4: Simplify right side
    14,908.50x = 177,371,886.97
  5. Step 5: Solve for x
    x = 177,371,886.97/14,908.50
  6. Step 6: Final answer
    x = 11,897.37

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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.