Home / 23,215.24-32,036.42-13,143.60

Finding the Fourth Proportional to 23,215.24, 32,036.42 and 13,143.60

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Solution

The fourth proportional to 23,215.24, 32,036.42 and 13,143.60 is: 18,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,215.24 : 32,036.42 = 13,143.60 : x
  2. Step 2: Convert to fraction form
    23,215.24/32,036.42 = 13,143.60/x
  3. Step 3: Cross multiply
    23,215.24x = 32,036.42 × 13,143.60
  4. Step 4: Simplify right side
    23,215.24x = 421,073,889.91
  5. Step 5: Solve for x
    x = 421,073,889.91/23,215.24
  6. Step 6: Final answer
    x = 18,137.82

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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.