Home / 14,319.22-19,760.63-7,945.83

Finding the Fourth Proportional to 14,319.22, 19,760.63 and 7,945.83

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Solution

The fourth proportional to 14,319.22, 19,760.63 and 7,945.83 is: 10,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.22 : 19,760.63 = 7,945.83 : x
  2. Step 2: Convert to fraction form
    14,319.22/19,760.63 = 7,945.83/x
  3. Step 3: Cross multiply
    14,319.22x = 19,760.63 × 7,945.83
  4. Step 4: Simplify right side
    14,319.22x = 157,014,566.94
  5. Step 5: Solve for x
    x = 157,014,566.94/14,319.22
  6. Step 6: Final answer
    x = 10,965.30

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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.