Home / 14,023.50-19,352.79-7,650.20

Finding the Fourth Proportional to 14,023.50, 19,352.79 and 7,650.20

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Solution

The fourth proportional to 14,023.50, 19,352.79 and 7,650.20 is: 10,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023.50 : 19,352.79 = 7,650.20 : x
  2. Step 2: Convert to fraction form
    14,023.50/19,352.79 = 7,650.20/x
  3. Step 3: Cross multiply
    14,023.50x = 19,352.79 × 7,650.20
  4. Step 4: Simplify right side
    14,023.50x = 148,052,645.98
  5. Step 5: Solve for x
    x = 148,052,645.98/14,023.50
  6. Step 6: Final answer
    x = 10,557.47

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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.