Home / 23,219.36-32,042.28-13,147.64

Finding the Fourth Proportional to 23,219.36, 32,042.28 and 13,147.64

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Solution

The fourth proportional to 23,219.36, 32,042.28 and 13,147.64 is: 18,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,219.36 : 32,042.28 = 13,147.64 : x
  2. Step 2: Convert to fraction form
    23,219.36/32,042.28 = 13,147.64/x
  3. Step 3: Cross multiply
    23,219.36x = 32,042.28 × 13,147.64
  4. Step 4: Simplify right side
    23,219.36x = 421,280,362.22
  5. Step 5: Solve for x
    x = 421,280,362.22/23,219.36
  6. Step 6: Final answer
    x = 18,143.50

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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.