Home / 23,321.03-32,180.99-12,970.80

Finding the Fourth Proportional to 23,321.03, 32,180.99 and 12,970.80

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Solution

The fourth proportional to 23,321.03, 32,180.99 and 12,970.80 is: 17,898.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,321.03 : 32,180.99 = 12,970.80 : x
  2. Step 2: Convert to fraction form
    23,321.03/32,180.99 = 12,970.80/x
  3. Step 3: Cross multiply
    23,321.03x = 32,180.99 × 12,970.80
  4. Step 4: Simplify right side
    23,321.03x = 417,413,120.24
  5. Step 5: Solve for x
    x = 417,413,120.24/23,321.03
  6. Step 6: Final answer
    x = 17,898.57

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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.