Home / 19,769.86-29,651.72-6,622.36

Finding the Fourth Proportional to 19,769.86, 29,651.72 and 6,622.36

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Solution

The fourth proportional to 19,769.86, 29,651.72 and 6,622.36 is: 9,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.86 : 29,651.72 = 6,622.36 : x
  2. Step 2: Convert to fraction form
    19,769.86/29,651.72 = 6,622.36/x
  3. Step 3: Cross multiply
    19,769.86x = 29,651.72 × 6,622.36
  4. Step 4: Simplify right side
    19,769.86x = 196,364,364.46
  5. Step 5: Solve for x
    x = 196,364,364.46/19,769.86
  6. Step 6: Final answer
    x = 9,932.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.