Home / 19,509.30-26,922.65-10,556.61

Finding the Fourth Proportional to 19,509.30, 26,922.65 and 10,556.61

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Solution

The fourth proportional to 19,509.30, 26,922.65 and 10,556.61 is: 14,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.30 : 26,922.65 = 10,556.61 : x
  2. Step 2: Convert to fraction form
    19,509.30/26,922.65 = 10,556.61/x
  3. Step 3: Cross multiply
    19,509.30x = 26,922.65 × 10,556.61
  4. Step 4: Simplify right side
    19,509.30x = 284,211,863.43
  5. Step 5: Solve for x
    x = 284,211,863.43/19,509.30
  6. Step 6: Final answer
    x = 14,568.02

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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.