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Finding the Fourth Proportional to 26,900.88, 37,121.40 and 14,963.40

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Solution

The fourth proportional to 26,900.88, 37,121.40 and 14,963.40 is: 20,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900.88 : 37,121.40 = 14,963.40 : x
  2. Step 2: Convert to fraction form
    26,900.88/37,121.40 = 14,963.40/x
  3. Step 3: Cross multiply
    26,900.88x = 37,121.40 × 14,963.40
  4. Step 4: Simplify right side
    26,900.88x = 555,462,356.76
  5. Step 5: Solve for x
    x = 555,462,356.76/26,900.88
  6. Step 6: Final answer
    x = 20,648.48

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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.