Home / 14,221.91-19,631.61-10,695.30

Finding the Fourth Proportional to 14,221.91, 19,631.61 and 10,695.30

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Solution

The fourth proportional to 14,221.91, 19,631.61 and 10,695.30 is: 14,763.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.91 : 19,631.61 = 10,695.30 : x
  2. Step 2: Convert to fraction form
    14,221.91/19,631.61 = 10,695.30/x
  3. Step 3: Cross multiply
    14,221.91x = 19,631.61 × 10,695.30
  4. Step 4: Simplify right side
    14,221.91x = 209,965,958.43
  5. Step 5: Solve for x
    x = 209,965,958.43/14,221.91
  6. Step 6: Final answer
    x = 14,763.56

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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.