Home / 23,220.30-32,043.02-13,149.28

Finding the Fourth Proportional to 23,220.30, 32,043.02 and 13,149.28

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Solution

The fourth proportional to 23,220.30, 32,043.02 and 13,149.28 is: 18,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.30 : 32,043.02 = 13,149.28 : x
  2. Step 2: Convert to fraction form
    23,220.30/32,043.02 = 13,149.28/x
  3. Step 3: Cross multiply
    23,220.30x = 32,043.02 × 13,149.28
  4. Step 4: Simplify right side
    23,220.30x = 421,342,642.03
  5. Step 5: Solve for x
    x = 421,342,642.03/23,220.30
  6. Step 6: Final answer
    x = 18,145.44

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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.