Home / 23,581.90-32,542.84-12,971.30

Finding the Fourth Proportional to 23,581.90, 32,542.84 and 12,971.30

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Solution

The fourth proportional to 23,581.90, 32,542.84 and 12,971.30 is: 17,900.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,581.90 : 32,542.84 = 12,971.30 : x
  2. Step 2: Convert to fraction form
    23,581.90/32,542.84 = 12,971.30/x
  3. Step 3: Cross multiply
    23,581.90x = 32,542.84 × 12,971.30
  4. Step 4: Simplify right side
    23,581.90x = 422,122,940.49
  5. Step 5: Solve for x
    x = 422,122,940.49/23,581.90
  6. Step 6: Final answer
    x = 17,900.29

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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.