Home / 15,749.85-23,616.57-7,427.63

Finding the Fourth Proportional to 15,749.85, 23,616.57 and 7,427.63

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Solution

The fourth proportional to 15,749.85, 23,616.57 and 7,427.63 is: 11,137.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.85 : 23,616.57 = 7,427.63 : x
  2. Step 2: Convert to fraction form
    15,749.85/23,616.57 = 7,427.63/x
  3. Step 3: Cross multiply
    15,749.85x = 23,616.57 × 7,427.63
  4. Step 4: Simplify right side
    15,749.85x = 175,415,057.88
  5. Step 5: Solve for x
    x = 175,415,057.88/15,749.85
  6. Step 6: Final answer
    x = 11,137.57

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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.