Home / 19,874.83-27,424.14-11,374.99

Finding the Fourth Proportional to 19,874.83, 27,424.14 and 11,374.99

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Solution

The fourth proportional to 19,874.83, 27,424.14 and 11,374.99 is: 15,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.83 : 27,424.14 = 11,374.99 : x
  2. Step 2: Convert to fraction form
    19,874.83/27,424.14 = 11,374.99/x
  3. Step 3: Cross multiply
    19,874.83x = 27,424.14 × 11,374.99
  4. Step 4: Simplify right side
    19,874.83x = 311,949,318.26
  5. Step 5: Solve for x
    x = 311,949,318.26/19,874.83
  6. Step 6: Final answer
    x = 15,695.70

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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.