Home / 19,910.13-27,479.62-11,526.63

Finding the Fourth Proportional to 19,910.13, 27,479.62 and 11,526.63

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Solution

The fourth proportional to 19,910.13, 27,479.62 and 11,526.63 is: 15,908.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.13 : 27,479.62 = 11,526.63 : x
  2. Step 2: Convert to fraction form
    19,910.13/27,479.62 = 11,526.63/x
  3. Step 3: Cross multiply
    19,910.13x = 27,479.62 × 11,526.63
  4. Step 4: Simplify right side
    19,910.13x = 316,747,412.28
  5. Step 5: Solve for x
    x = 316,747,412.28/19,910.13
  6. Step 6: Final answer
    x = 15,908.86

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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.