Home / 19,139.26-26,412.06-10,755.76

Finding the Fourth Proportional to 19,139.26, 26,412.06 and 10,755.76

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Solution

The fourth proportional to 19,139.26, 26,412.06 and 10,755.76 is: 14,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.26 : 26,412.06 = 10,755.76 : x
  2. Step 2: Convert to fraction form
    19,139.26/26,412.06 = 10,755.76/x
  3. Step 3: Cross multiply
    19,139.26x = 26,412.06 × 10,755.76
  4. Step 4: Simplify right side
    19,139.26x = 284,081,778.47
  5. Step 5: Solve for x
    x = 284,081,778.47/19,139.26
  6. Step 6: Final answer
    x = 14,842.88

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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.