Home / 14,917.99-20,587.32-8,204.11

Finding the Fourth Proportional to 14,917.99, 20,587.32 and 8,204.11

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Solution

The fourth proportional to 14,917.99, 20,587.32 and 8,204.11 is: 11,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917.99 : 20,587.32 = 8,204.11 : x
  2. Step 2: Convert to fraction form
    14,917.99/20,587.32 = 8,204.11/x
  3. Step 3: Cross multiply
    14,917.99x = 20,587.32 × 8,204.11
  4. Step 4: Simplify right side
    14,917.99x = 168,900,637.89
  5. Step 5: Solve for x
    x = 168,900,637.89/14,917.99
  6. Step 6: Final answer
    x = 11,321.94

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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.