Home / 29,389.56-40,556.88-16,813.56

Finding the Fourth Proportional to 29,389.56, 40,556.88 and 16,813.56

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Solution

The fourth proportional to 29,389.56, 40,556.88 and 16,813.56 is: 23,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.56 : 40,556.88 = 16,813.56 : x
  2. Step 2: Convert to fraction form
    29,389.56/40,556.88 = 16,813.56/x
  3. Step 3: Cross multiply
    29,389.56x = 40,556.88 × 16,813.56
  4. Step 4: Simplify right side
    29,389.56x = 681,905,535.29
  5. Step 5: Solve for x
    x = 681,905,535.29/29,389.56
  6. Step 6: Final answer
    x = 23,202.31

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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.