Home / 23,291.08-32,140.38-12,680.08

Finding the Fourth Proportional to 23,291.08, 32,140.38 and 12,680.08

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Solution

The fourth proportional to 23,291.08, 32,140.38 and 12,680.08 is: 17,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.08 : 32,140.38 = 12,680.08 : x
  2. Step 2: Convert to fraction form
    23,291.08/32,140.38 = 12,680.08/x
  3. Step 3: Cross multiply
    23,291.08x = 32,140.38 × 12,680.08
  4. Step 4: Simplify right side
    23,291.08x = 407,542,589.63
  5. Step 5: Solve for x
    x = 407,542,589.63/23,291.08
  6. Step 6: Final answer
    x = 17,497.80

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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.