Home / 14,043.06-19,378.71-7,754.22

Finding the Fourth Proportional to 14,043.06, 19,378.71 and 7,754.22

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Solution

The fourth proportional to 14,043.06, 19,378.71 and 7,754.22 is: 10,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.06 : 19,378.71 = 7,754.22 : x
  2. Step 2: Convert to fraction form
    14,043.06/19,378.71 = 7,754.22/x
  3. Step 3: Cross multiply
    14,043.06x = 19,378.71 × 7,754.22
  4. Step 4: Simplify right side
    14,043.06x = 150,266,780.66
  5. Step 5: Solve for x
    x = 150,266,780.66/14,043.06
  6. Step 6: Final answer
    x = 10,700.43

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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.