Home / 14,932.52-20,606.88-8,218.63

Finding the Fourth Proportional to 14,932.52, 20,606.88 and 8,218.63

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Solution

The fourth proportional to 14,932.52, 20,606.88 and 8,218.63 is: 11,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.52 : 20,606.88 = 8,218.63 : x
  2. Step 2: Convert to fraction form
    14,932.52/20,606.88 = 8,218.63/x
  3. Step 3: Cross multiply
    14,932.52x = 20,606.88 × 8,218.63
  4. Step 4: Simplify right side
    14,932.52x = 169,360,219.14
  5. Step 5: Solve for x
    x = 169,360,219.14/14,932.52
  6. Step 6: Final answer
    x = 11,341.71

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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.