Home / 14,028.83-19,358.06-7,741.20

Finding the Fourth Proportional to 14,028.83, 19,358.06 and 7,741.20

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Solution

The fourth proportional to 14,028.83, 19,358.06 and 7,741.20 is: 10,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.83 : 19,358.06 = 7,741.20 : x
  2. Step 2: Convert to fraction form
    14,028.83/19,358.06 = 7,741.20/x
  3. Step 3: Cross multiply
    14,028.83x = 19,358.06 × 7,741.20
  4. Step 4: Simplify right side
    14,028.83x = 149,854,575.37
  5. Step 5: Solve for x
    x = 149,854,575.37/14,028.83
  6. Step 6: Final answer
    x = 10,681.90

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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.