Home / 15,161.06-20,770.72-14,592.89

Finding the Fourth Proportional to 15,161.06, 20,770.72 and 14,592.89

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Solution

The fourth proportional to 15,161.06, 20,770.72 and 14,592.89 is: 19,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,161.06 : 20,770.72 = 14,592.89 : x
  2. Step 2: Convert to fraction form
    15,161.06/20,770.72 = 14,592.89/x
  3. Step 3: Cross multiply
    15,161.06x = 20,770.72 × 14,592.89
  4. Step 4: Simplify right side
    15,161.06x = 303,104,691.84
  5. Step 5: Solve for x
    x = 303,104,691.84/15,161.06
  6. Step 6: Final answer
    x = 19,992.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.