Home / 24,927.78-34,399.79-13,749.78

Finding the Fourth Proportional to 24,927.78, 34,399.79 and 13,749.78

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Solution

The fourth proportional to 24,927.78, 34,399.79 and 13,749.78 is: 18,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,927.78 : 34,399.79 = 13,749.78 : x
  2. Step 2: Convert to fraction form
    24,927.78/34,399.79 = 13,749.78/x
  3. Step 3: Cross multiply
    24,927.78x = 34,399.79 × 13,749.78
  4. Step 4: Simplify right side
    24,927.78x = 472,989,544.55
  5. Step 5: Solve for x
    x = 472,989,544.55/24,927.78
  6. Step 6: Final answer
    x = 18,974.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.