Home / 14,028.88-19,359.84-7,741.68

Finding the Fourth Proportional to 14,028.88, 19,359.84 and 7,741.68

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Solution

The fourth proportional to 14,028.88, 19,359.84 and 7,741.68 is: 10,683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.88 : 19,359.84 = 7,741.68 : x
  2. Step 2: Convert to fraction form
    14,028.88/19,359.84 = 7,741.68/x
  3. Step 3: Cross multiply
    14,028.88x = 19,359.84 × 7,741.68
  4. Step 4: Simplify right side
    14,028.88x = 149,877,686.13
  5. Step 5: Solve for x
    x = 149,877,686.13/14,028.88
  6. Step 6: Final answer
    x = 10,683.51

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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.