Home / 23,755.35-32,782.23-13,680.12

Finding the Fourth Proportional to 23,755.35, 32,782.23 and 13,680.12

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Solution

The fourth proportional to 23,755.35, 32,782.23 and 13,680.12 is: 18,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,755.35 : 32,782.23 = 13,680.12 : x
  2. Step 2: Convert to fraction form
    23,755.35/32,782.23 = 13,680.12/x
  3. Step 3: Cross multiply
    23,755.35x = 32,782.23 × 13,680.12
  4. Step 4: Simplify right side
    23,755.35x = 448,464,840.27
  5. Step 5: Solve for x
    x = 448,464,840.27/23,755.35
  6. Step 6: Final answer
    x = 18,878.48

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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.