Home / 14,145.36-19,530.36-8,842.56

Finding the Fourth Proportional to 14,145.36, 19,530.36 and 8,842.56

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Solution

The fourth proportional to 14,145.36, 19,530.36 and 8,842.56 is: 12,208.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.36 : 19,530.36 = 8,842.56 : x
  2. Step 2: Convert to fraction form
    14,145.36/19,530.36 = 8,842.56/x
  3. Step 3: Cross multiply
    14,145.36x = 19,530.36 × 8,842.56
  4. Step 4: Simplify right side
    14,145.36x = 172,698,380.12
  5. Step 5: Solve for x
    x = 172,698,380.12/14,145.36
  6. Step 6: Final answer
    x = 12,208.84

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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.