Home / 23,393.28-32,282.28-12,782.88

Finding the Fourth Proportional to 23,393.28, 32,282.28 and 12,782.88

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Solution

The fourth proportional to 23,393.28, 32,282.28 and 12,782.88 is: 17,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,393.28 : 32,282.28 = 12,782.88 : x
  2. Step 2: Convert to fraction form
    23,393.28/32,282.28 = 12,782.88/x
  3. Step 3: Cross multiply
    23,393.28x = 32,282.28 × 12,782.88
  4. Step 4: Simplify right side
    23,393.28x = 412,660,511.37
  5. Step 5: Solve for x
    x = 412,660,511.37/23,393.28
  6. Step 6: Final answer
    x = 17,640.13

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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.