Home / 19,836.65-29,754.95-8,141.63

Finding the Fourth Proportional to 19,836.65, 29,754.95 and 8,141.63

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Solution

The fourth proportional to 19,836.65, 29,754.95 and 8,141.63 is: 12,212.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.65 : 29,754.95 = 8,141.63 : x
  2. Step 2: Convert to fraction form
    19,836.65/29,754.95 = 8,141.63/x
  3. Step 3: Cross multiply
    19,836.65x = 29,754.95 × 8,141.63
  4. Step 4: Simplify right side
    19,836.65x = 242,253,752.86
  5. Step 5: Solve for x
    x = 242,253,752.86/19,836.65
  6. Step 6: Final answer
    x = 12,212.43

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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.