Home / 14,214.10-19,615.54-8,249.32

Finding the Fourth Proportional to 14,214.10, 19,615.54 and 8,249.32

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Solution

The fourth proportional to 14,214.10, 19,615.54 and 8,249.32 is: 11,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.10 : 19,615.54 = 8,249.32 : x
  2. Step 2: Convert to fraction form
    14,214.10/19,615.54 = 8,249.32/x
  3. Step 3: Cross multiply
    14,214.10x = 19,615.54 × 8,249.32
  4. Step 4: Simplify right side
    14,214.10x = 161,814,866.43
  5. Step 5: Solve for x
    x = 161,814,866.43/14,214.10
  6. Step 6: Final answer
    x = 11,384.11

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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.