Home / 23,820.07-32,874.39-13,751.21

Finding the Fourth Proportional to 23,820.07, 32,874.39 and 13,751.21

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Solution

The fourth proportional to 23,820.07, 32,874.39 and 13,751.21 is: 18,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,820.07 : 32,874.39 = 13,751.21 : x
  2. Step 2: Convert to fraction form
    23,820.07/32,874.39 = 13,751.21/x
  3. Step 3: Cross multiply
    23,820.07x = 32,874.39 × 13,751.21
  4. Step 4: Simplify right side
    23,820.07x = 452,062,640.51
  5. Step 5: Solve for x
    x = 452,062,640.51/23,820.07
  6. Step 6: Final answer
    x = 18,978.22

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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.