Home / 14,949.95-20,630.26-8,571.97

Finding the Fourth Proportional to 14,949.95, 20,630.26 and 8,571.97

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Solution

The fourth proportional to 14,949.95, 20,630.26 and 8,571.97 is: 11,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.95 : 20,630.26 = 8,571.97 : x
  2. Step 2: Convert to fraction form
    14,949.95/20,630.26 = 8,571.97/x
  3. Step 3: Cross multiply
    14,949.95x = 20,630.26 × 8,571.97
  4. Step 4: Simplify right side
    14,949.95x = 176,842,006.31
  5. Step 5: Solve for x
    x = 176,842,006.31/14,949.95
  6. Step 6: Final answer
    x = 11,828.94

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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.