Home / 14,947.50-20,629.98-8,663.52

Finding the Fourth Proportional to 14,947.50, 20,629.98 and 8,663.52

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Solution

The fourth proportional to 14,947.50, 20,629.98 and 8,663.52 is: 11,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.50 : 20,629.98 = 8,663.52 : x
  2. Step 2: Convert to fraction form
    14,947.50/20,629.98 = 8,663.52/x
  3. Step 3: Cross multiply
    14,947.50x = 20,629.98 × 8,663.52
  4. Step 4: Simplify right side
    14,947.50x = 178,728,244.33
  5. Step 5: Solve for x
    x = 178,728,244.33/14,947.50
  6. Step 6: Final answer
    x = 11,957.07

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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.