Home / 23,581.26-32,542.38-12,970.80

Finding the Fourth Proportional to 23,581.26, 32,542.38 and 12,970.80

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Solution

The fourth proportional to 23,581.26, 32,542.38 and 12,970.80 is: 17,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,581.26 : 32,542.38 = 12,970.80 : x
  2. Step 2: Convert to fraction form
    23,581.26/32,542.38 = 12,970.80/x
  3. Step 3: Cross multiply
    23,581.26x = 32,542.38 × 12,970.80
  4. Step 4: Simplify right side
    23,581.26x = 422,100,702.50
  5. Step 5: Solve for x
    x = 422,100,702.50/23,581.26
  6. Step 6: Final answer
    x = 17,899.84

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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.