Home / 15,770.50-23,653.32-5,245.12

Finding the Fourth Proportional to 15,770.50, 23,653.32 and 5,245.12

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Solution

The fourth proportional to 15,770.50, 23,653.32 and 5,245.12 is: 7,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.50 : 23,653.32 = 5,245.12 : x
  2. Step 2: Convert to fraction form
    15,770.50/23,653.32 = 5,245.12/x
  3. Step 3: Cross multiply
    15,770.50x = 23,653.32 × 5,245.12
  4. Step 4: Simplify right side
    15,770.50x = 124,064,501.80
  5. Step 5: Solve for x
    x = 124,064,501.80/15,770.50
  6. Step 6: Final answer
    x = 7,866.87

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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.