Home / 14,019.22-19,346.64-7,731.82

Finding the Fourth Proportional to 14,019.22, 19,346.64 and 7,731.82

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Solution

The fourth proportional to 14,019.22, 19,346.64 and 7,731.82 is: 10,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.22 : 19,346.64 = 7,731.82 : x
  2. Step 2: Convert to fraction form
    14,019.22/19,346.64 = 7,731.82/x
  3. Step 3: Cross multiply
    14,019.22x = 19,346.64 × 7,731.82
  4. Step 4: Simplify right side
    14,019.22x = 149,584,738.08
  5. Step 5: Solve for x
    x = 149,584,738.08/14,019.22
  6. Step 6: Final answer
    x = 10,669.98

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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.