Home / 26,466.47-39,690.89-7,747.57

Finding the Fourth Proportional to 26,466.47, 39,690.89 and 7,747.57

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Solution

The fourth proportional to 26,466.47, 39,690.89 and 7,747.57 is: 11,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,466.47 : 39,690.89 = 7,747.57 : x
  2. Step 2: Convert to fraction form
    26,466.47/39,690.89 = 7,747.57/x
  3. Step 3: Cross multiply
    26,466.47x = 39,690.89 × 7,747.57
  4. Step 4: Simplify right side
    26,466.47x = 307,507,948.64
  5. Step 5: Solve for x
    x = 307,507,948.64/26,466.47
  6. Step 6: Final answer
    x = 11,618.77

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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.