Home / 17,212.88-23,734.79-11,898.47

Finding the Fourth Proportional to 17,212.88, 23,734.79 and 11,898.47

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Solution

The fourth proportional to 17,212.88, 23,734.79 and 11,898.47 is: 16,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.88 : 23,734.79 = 11,898.47 : x
  2. Step 2: Convert to fraction form
    17,212.88/23,734.79 = 11,898.47/x
  3. Step 3: Cross multiply
    17,212.88x = 23,734.79 × 11,898.47
  4. Step 4: Simplify right side
    17,212.88x = 282,407,686.77
  5. Step 5: Solve for x
    x = 282,407,686.77/17,212.88
  6. Step 6: Final answer
    x = 16,406.77

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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.