Home / 14,214.09-19,615.53-8,249.31

Finding the Fourth Proportional to 14,214.09, 19,615.53 and 8,249.31

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Solution

The fourth proportional to 14,214.09, 19,615.53 and 8,249.31 is: 11,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.09 : 19,615.53 = 8,249.31 : x
  2. Step 2: Convert to fraction form
    14,214.09/19,615.53 = 8,249.31/x
  3. Step 3: Cross multiply
    14,214.09x = 19,615.53 × 8,249.31
  4. Step 4: Simplify right side
    14,214.09x = 161,814,587.78
  5. Step 5: Solve for x
    x = 161,814,587.78/14,214.09
  6. Step 6: Final answer
    x = 11,384.10

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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.