Home / 19,369.38-26,734.30-11,821.95

Finding the Fourth Proportional to 19,369.38, 26,734.30 and 11,821.95

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Solution

The fourth proportional to 19,369.38, 26,734.30 and 11,821.95 is: 16,317.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.38 : 26,734.30 = 11,821.95 : x
  2. Step 2: Convert to fraction form
    19,369.38/26,734.30 = 11,821.95/x
  3. Step 3: Cross multiply
    19,369.38x = 26,734.30 × 11,821.95
  4. Step 4: Simplify right side
    19,369.38x = 316,051,424.21
  5. Step 5: Solve for x
    x = 316,051,424.21/19,369.38
  6. Step 6: Final answer
    x = 16,317.07

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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.