Home / 14,410.68-19,878.72-8,441.22

Finding the Fourth Proportional to 14,410.68, 19,878.72 and 8,441.22

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Solution

The fourth proportional to 14,410.68, 19,878.72 and 8,441.22 is: 11,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.68 : 19,878.72 = 8,441.22 : x
  2. Step 2: Convert to fraction form
    14,410.68/19,878.72 = 8,441.22/x
  3. Step 3: Cross multiply
    14,410.68x = 19,878.72 × 8,441.22
  4. Step 4: Simplify right side
    14,410.68x = 167,800,648.84
  5. Step 5: Solve for x
    x = 167,800,648.84/14,410.68
  6. Step 6: Final answer
    x = 11,644.19

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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.