Home / 19,301.88-26,632-11,748.13

Finding the Fourth Proportional to 19,301.88, 26,632 and 11,748.13

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Solution

The fourth proportional to 19,301.88, 26,632 and 11,748.13 is: 16,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.88 : 26,632 = 11,748.13 : x
  2. Step 2: Convert to fraction form
    19,301.88/26,632 = 11,748.13/x
  3. Step 3: Cross multiply
    19,301.88x = 26,632 × 11,748.13
  4. Step 4: Simplify right side
    19,301.88x = 312,876,198.16
  5. Step 5: Solve for x
    x = 312,876,198.16/19,301.88
  6. Step 6: Final answer
    x = 16,209.62

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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.