Home / 19,853.90-27,396.33-11,895.92

Finding the Fourth Proportional to 19,853.90, 27,396.33 and 11,895.92

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Solution

The fourth proportional to 19,853.90, 27,396.33 and 11,895.92 is: 16,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.90 : 27,396.33 = 11,895.92 : x
  2. Step 2: Convert to fraction form
    19,853.90/27,396.33 = 11,895.92/x
  3. Step 3: Cross multiply
    19,853.90x = 27,396.33 × 11,895.92
  4. Step 4: Simplify right side
    19,853.90x = 325,904,412.99
  5. Step 5: Solve for x
    x = 325,904,412.99/19,853.90
  6. Step 6: Final answer
    x = 16,415.14

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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.