Home / 19,211.32-26,512.14-10,829.80

Finding the Fourth Proportional to 19,211.32, 26,512.14 and 10,829.80

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Solution

The fourth proportional to 19,211.32, 26,512.14 and 10,829.80 is: 14,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.32 : 26,512.14 = 10,829.80 : x
  2. Step 2: Convert to fraction form
    19,211.32/26,512.14 = 10,829.80/x
  3. Step 3: Cross multiply
    19,211.32x = 26,512.14 × 10,829.80
  4. Step 4: Simplify right side
    19,211.32x = 287,121,173.77
  5. Step 5: Solve for x
    x = 287,121,173.77/19,211.32
  6. Step 6: Final answer
    x = 14,945.42

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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.