Home / 14,019.26-19,346.66-7,731.64

Finding the Fourth Proportional to 14,019.26, 19,346.66 and 7,731.64

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Solution

The fourth proportional to 14,019.26, 19,346.66 and 7,731.64 is: 10,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.26 : 19,346.66 = 7,731.64 : x
  2. Step 2: Convert to fraction form
    14,019.26/19,346.66 = 7,731.64/x
  3. Step 3: Cross multiply
    14,019.26x = 19,346.66 × 7,731.64
  4. Step 4: Simplify right side
    14,019.26x = 149,581,410.32
  5. Step 5: Solve for x
    x = 149,581,410.32/14,019.26
  6. Step 6: Final answer
    x = 10,669.71

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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.