Home / 14,932.34-20,606.62-8,218.20

Finding the Fourth Proportional to 14,932.34, 20,606.62 and 8,218.20

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Solution

The fourth proportional to 14,932.34, 20,606.62 and 8,218.20 is: 11,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.34 : 20,606.62 = 8,218.20 : x
  2. Step 2: Convert to fraction form
    14,932.34/20,606.62 = 8,218.20/x
  3. Step 3: Cross multiply
    14,932.34x = 20,606.62 × 8,218.20
  4. Step 4: Simplify right side
    14,932.34x = 169,349,324.48
  5. Step 5: Solve for x
    x = 169,349,324.48/14,932.34
  6. Step 6: Final answer
    x = 11,341.11

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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.