Home / 14,630.30-21,950.60-7,239.86

Finding the Fourth Proportional to 14,630.30, 21,950.60 and 7,239.86

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Solution

The fourth proportional to 14,630.30, 21,950.60 and 7,239.86 is: 10,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.30 : 21,950.60 = 7,239.86 : x
  2. Step 2: Convert to fraction form
    14,630.30/21,950.60 = 7,239.86/x
  3. Step 3: Cross multiply
    14,630.30x = 21,950.60 × 7,239.86
  4. Step 4: Simplify right side
    14,630.30x = 158,919,124.96
  5. Step 5: Solve for x
    x = 158,919,124.96/14,630.30
  6. Step 6: Final answer
    x = 10,862.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.