Home / 26,166.72-39,250.56-7,699.20

Finding the Fourth Proportional to 26,166.72, 39,250.56 and 7,699.20

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Solution

The fourth proportional to 26,166.72, 39,250.56 and 7,699.20 is: 11,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,166.72 : 39,250.56 = 7,699.20 : x
  2. Step 2: Convert to fraction form
    26,166.72/39,250.56 = 7,699.20/x
  3. Step 3: Cross multiply
    26,166.72x = 39,250.56 × 7,699.20
  4. Step 4: Simplify right side
    26,166.72x = 302,197,911.55
  5. Step 5: Solve for x
    x = 302,197,911.55/26,166.72
  6. Step 6: Final answer
    x = 11,548.94

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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.