Home / 15,996.09-22,074.72-8,922.51

Finding the Fourth Proportional to 15,996.09, 22,074.72 and 8,922.51

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Solution

The fourth proportional to 15,996.09, 22,074.72 and 8,922.51 is: 12,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.09 : 22,074.72 = 8,922.51 : x
  2. Step 2: Convert to fraction form
    15,996.09/22,074.72 = 8,922.51/x
  3. Step 3: Cross multiply
    15,996.09x = 22,074.72 × 8,922.51
  4. Step 4: Simplify right side
    15,996.09x = 196,961,909.95
  5. Step 5: Solve for x
    x = 196,961,909.95/15,996.09
  6. Step 6: Final answer
    x = 12,313.13

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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.