Home / 14,029.85-19,361.31-7,656.49

Finding the Fourth Proportional to 14,029.85, 19,361.31 and 7,656.49

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Solution

The fourth proportional to 14,029.85, 19,361.31 and 7,656.49 is: 10,566.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.85 : 19,361.31 = 7,656.49 : x
  2. Step 2: Convert to fraction form
    14,029.85/19,361.31 = 7,656.49/x
  3. Step 3: Cross multiply
    14,029.85x = 19,361.31 × 7,656.49
  4. Step 4: Simplify right side
    14,029.85x = 148,239,747.88
  5. Step 5: Solve for x
    x = 148,239,747.88/14,029.85
  6. Step 6: Final answer
    x = 10,566.02

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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.