Home / 14,753.92-20,359.36-9,166.72

Finding the Fourth Proportional to 14,753.92, 20,359.36 and 9,166.72

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Solution

The fourth proportional to 14,753.92, 20,359.36 and 9,166.72 is: 12,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.92 : 20,359.36 = 9,166.72 : x
  2. Step 2: Convert to fraction form
    14,753.92/20,359.36 = 9,166.72/x
  3. Step 3: Cross multiply
    14,753.92x = 20,359.36 × 9,166.72
  4. Step 4: Simplify right side
    14,753.92x = 186,628,552.50
  5. Step 5: Solve for x
    x = 186,628,552.50/14,753.92
  6. Step 6: Final answer
    x = 12,649.42

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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.