Home / 14,649.50-20,216.32-8,362.02

Finding the Fourth Proportional to 14,649.50, 20,216.32 and 8,362.02

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Solution

The fourth proportional to 14,649.50, 20,216.32 and 8,362.02 is: 11,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.50 : 20,216.32 = 8,362.02 : x
  2. Step 2: Convert to fraction form
    14,649.50/20,216.32 = 8,362.02/x
  3. Step 3: Cross multiply
    14,649.50x = 20,216.32 × 8,362.02
  4. Step 4: Simplify right side
    14,649.50x = 169,049,272.17
  5. Step 5: Solve for x
    x = 169,049,272.17/14,649.50
  6. Step 6: Final answer
    x = 11,539.59

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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.