Home / 19,823.70-29,694.15-9,302.70

Finding the Fourth Proportional to 19,823.70, 29,694.15 and 9,302.70

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Solution

The fourth proportional to 19,823.70, 29,694.15 and 9,302.70 is: 13,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.70 : 29,694.15 = 9,302.70 : x
  2. Step 2: Convert to fraction form
    19,823.70/29,694.15 = 9,302.70/x
  3. Step 3: Cross multiply
    19,823.70x = 29,694.15 × 9,302.70
  4. Step 4: Simplify right side
    19,823.70x = 276,235,769.21
  5. Step 5: Solve for x
    x = 276,235,769.21/19,823.70
  6. Step 6: Final answer
    x = 13,934.62

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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.