Home / 21,623.77-32,439.71-6,836.41

Finding the Fourth Proportional to 21,623.77, 32,439.71 and 6,836.41

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Solution

The fourth proportional to 21,623.77, 32,439.71 and 6,836.41 is: 10,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.77 : 32,439.71 = 6,836.41 : x
  2. Step 2: Convert to fraction form
    21,623.77/32,439.71 = 6,836.41/x
  3. Step 3: Cross multiply
    21,623.77x = 32,439.71 × 6,836.41
  4. Step 4: Simplify right side
    21,623.77x = 221,771,157.84
  5. Step 5: Solve for x
    x = 221,771,157.84/21,623.77
  6. Step 6: Final answer
    x = 10,255.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.