Home / 26,815.73-37,011.09-15,487.07

Finding the Fourth Proportional to 26,815.73, 37,011.09 and 15,487.07

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Solution

The fourth proportional to 26,815.73, 37,011.09 and 15,487.07 is: 21,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.73 : 37,011.09 = 15,487.07 : x
  2. Step 2: Convert to fraction form
    26,815.73/37,011.09 = 15,487.07/x
  3. Step 3: Cross multiply
    26,815.73x = 37,011.09 × 15,487.07
  4. Step 4: Simplify right side
    26,815.73x = 573,193,156.55
  5. Step 5: Solve for x
    x = 573,193,156.55/26,815.73
  6. Step 6: Final answer
    x = 21,375.26

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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.