Home / 19,243.78-26,556.33-10,860.22

Finding the Fourth Proportional to 19,243.78, 26,556.33 and 10,860.22

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Solution

The fourth proportional to 19,243.78, 26,556.33 and 10,860.22 is: 14,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.78 : 26,556.33 = 10,860.22 : x
  2. Step 2: Convert to fraction form
    19,243.78/26,556.33 = 10,860.22/x
  3. Step 3: Cross multiply
    19,243.78x = 26,556.33 × 10,860.22
  4. Step 4: Simplify right side
    19,243.78x = 288,407,586.19
  5. Step 5: Solve for x
    x = 288,407,586.19/19,243.78
  6. Step 6: Final answer
    x = 14,987.05

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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.