Home / 19,509.09-26,922.46-10,556.75

Finding the Fourth Proportional to 19,509.09, 26,922.46 and 10,556.75

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Solution

The fourth proportional to 19,509.09, 26,922.46 and 10,556.75 is: 14,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.09 : 26,922.46 = 10,556.75 : x
  2. Step 2: Convert to fraction form
    19,509.09/26,922.46 = 10,556.75/x
  3. Step 3: Cross multiply
    19,509.09x = 26,922.46 × 10,556.75
  4. Step 4: Simplify right side
    19,509.09x = 284,213,679.61
  5. Step 5: Solve for x
    x = 284,213,679.61/19,509.09
  6. Step 6: Final answer
    x = 14,568.27

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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.