Home / 14,274.22-19,698.25-7,900.33

Finding the Fourth Proportional to 14,274.22, 19,698.25 and 7,900.33

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Solution

The fourth proportional to 14,274.22, 19,698.25 and 7,900.33 is: 10,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.22 : 19,698.25 = 7,900.33 : x
  2. Step 2: Convert to fraction form
    14,274.22/19,698.25 = 7,900.33/x
  3. Step 3: Cross multiply
    14,274.22x = 19,698.25 × 7,900.33
  4. Step 4: Simplify right side
    14,274.22x = 155,622,675.42
  5. Step 5: Solve for x
    x = 155,622,675.42/14,274.22
  6. Step 6: Final answer
    x = 10,902.36

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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.