Home / 26,900.80-37,121.12-14,963.84

Finding the Fourth Proportional to 26,900.80, 37,121.12 and 14,963.84

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Solution

The fourth proportional to 26,900.80, 37,121.12 and 14,963.84 is: 20,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900.80 : 37,121.12 = 14,963.84 : x
  2. Step 2: Convert to fraction form
    26,900.80/37,121.12 = 14,963.84/x
  3. Step 3: Cross multiply
    26,900.80x = 37,121.12 × 14,963.84
  4. Step 4: Simplify right side
    26,900.80x = 555,474,500.30
  5. Step 5: Solve for x
    x = 555,474,500.30/26,900.80
  6. Step 6: Final answer
    x = 20,649.00

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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.