Home / 19,481.76-26,893.35-12,417.48

Finding the Fourth Proportional to 19,481.76, 26,893.35 and 12,417.48

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Solution

The fourth proportional to 19,481.76, 26,893.35 and 12,417.48 is: 17,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.76 : 26,893.35 = 12,417.48 : x
  2. Step 2: Convert to fraction form
    19,481.76/26,893.35 = 12,417.48/x
  3. Step 3: Cross multiply
    19,481.76x = 26,893.35 × 12,417.48
  4. Step 4: Simplify right side
    19,481.76x = 333,947,635.76
  5. Step 5: Solve for x
    x = 333,947,635.76/19,481.76
  6. Step 6: Final answer
    x = 17,141.55

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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.