Home / 14,440.73-21,636.45-7,855.16

Finding the Fourth Proportional to 14,440.73, 21,636.45 and 7,855.16

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Solution

The fourth proportional to 14,440.73, 21,636.45 and 7,855.16 is: 11,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.73 : 21,636.45 = 7,855.16 : x
  2. Step 2: Convert to fraction form
    14,440.73/21,636.45 = 7,855.16/x
  3. Step 3: Cross multiply
    14,440.73x = 21,636.45 × 7,855.16
  4. Step 4: Simplify right side
    14,440.73x = 169,957,776.58
  5. Step 5: Solve for x
    x = 169,957,776.58/14,440.73
  6. Step 6: Final answer
    x = 11,769.33

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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.