Home / 23,638.14-32,620.21-12,883.12

Finding the Fourth Proportional to 23,638.14, 32,620.21 and 12,883.12

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Solution

The fourth proportional to 23,638.14, 32,620.21 and 12,883.12 is: 17,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,638.14 : 32,620.21 = 12,883.12 : x
  2. Step 2: Convert to fraction form
    23,638.14/32,620.21 = 12,883.12/x
  3. Step 3: Cross multiply
    23,638.14x = 32,620.21 × 12,883.12
  4. Step 4: Simplify right side
    23,638.14x = 420,249,966.10
  5. Step 5: Solve for x
    x = 420,249,966.10/23,638.14
  6. Step 6: Final answer
    x = 17,778.47

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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.