Home / 19,301.76-26,636.18-10,918.26

Finding the Fourth Proportional to 19,301.76, 26,636.18 and 10,918.26

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Solution

The fourth proportional to 19,301.76, 26,636.18 and 10,918.26 is: 15,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.76 : 26,636.18 = 10,918.26 : x
  2. Step 2: Convert to fraction form
    19,301.76/26,636.18 = 10,918.26/x
  3. Step 3: Cross multiply
    19,301.76x = 26,636.18 × 10,918.26
  4. Step 4: Simplify right side
    19,301.76x = 290,820,684.06
  5. Step 5: Solve for x
    x = 290,820,684.06/19,301.76
  6. Step 6: Final answer
    x = 15,067.06

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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.