Home / 14,649.51-20,216.07-8,361.75

Finding the Fourth Proportional to 14,649.51, 20,216.07 and 8,361.75

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Solution

The fourth proportional to 14,649.51, 20,216.07 and 8,361.75 is: 11,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.51 : 20,216.07 = 8,361.75 : x
  2. Step 2: Convert to fraction form
    14,649.51/20,216.07 = 8,361.75/x
  3. Step 3: Cross multiply
    14,649.51x = 20,216.07 × 8,361.75
  4. Step 4: Simplify right side
    14,649.51x = 169,041,723.32
  5. Step 5: Solve for x
    x = 169,041,723.32/14,649.51
  6. Step 6: Final answer
    x = 11,539.07

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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.