Home / 14,963.56-20,653.68-8,836.63

Finding the Fourth Proportional to 14,963.56, 20,653.68 and 8,836.63

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Solution

The fourth proportional to 14,963.56, 20,653.68 and 8,836.63 is: 12,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.56 : 20,653.68 = 8,836.63 : x
  2. Step 2: Convert to fraction form
    14,963.56/20,653.68 = 8,836.63/x
  3. Step 3: Cross multiply
    14,963.56x = 20,653.68 × 8,836.63
  4. Step 4: Simplify right side
    14,963.56x = 182,508,909.80
  5. Step 5: Solve for x
    x = 182,508,909.80/14,963.56
  6. Step 6: Final answer
    x = 12,196.89

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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.