Home / 14,161.46-21,245.02-7,930.33

Finding the Fourth Proportional to 14,161.46, 21,245.02 and 7,930.33

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Solution

The fourth proportional to 14,161.46, 21,245.02 and 7,930.33 is: 11,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.46 : 21,245.02 = 7,930.33 : x
  2. Step 2: Convert to fraction form
    14,161.46/21,245.02 = 7,930.33/x
  3. Step 3: Cross multiply
    14,161.46x = 21,245.02 × 7,930.33
  4. Step 4: Simplify right side
    14,161.46x = 168,479,946.52
  5. Step 5: Solve for x
    x = 168,479,946.52/14,161.46
  6. Step 6: Final answer
    x = 11,897.08

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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.