Home / 14,029.18-19,359.12-7,741.54

Finding the Fourth Proportional to 14,029.18, 19,359.12 and 7,741.54

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Solution

The fourth proportional to 14,029.18, 19,359.12 and 7,741.54 is: 10,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.18 : 19,359.12 = 7,741.54 : x
  2. Step 2: Convert to fraction form
    14,029.18/19,359.12 = 7,741.54/x
  3. Step 3: Cross multiply
    14,029.18x = 19,359.12 × 7,741.54
  4. Step 4: Simplify right side
    14,029.18x = 149,869,401.84
  5. Step 5: Solve for x
    x = 149,869,401.84/14,029.18
  6. Step 6: Final answer
    x = 10,682.69

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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.