Home / 21,737.96-32,611.61-12,382.46

Finding the Fourth Proportional to 21,737.96, 32,611.61 and 12,382.46

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Solution

The fourth proportional to 21,737.96, 32,611.61 and 12,382.46 is: 18,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.96 : 32,611.61 = 12,382.46 : x
  2. Step 2: Convert to fraction form
    21,737.96/32,611.61 = 12,382.46/x
  3. Step 3: Cross multiply
    21,737.96x = 32,611.61 × 12,382.46
  4. Step 4: Simplify right side
    21,737.96x = 403,811,956.36
  5. Step 5: Solve for x
    x = 403,811,956.36/21,737.96
  6. Step 6: Final answer
    x = 18,576.35

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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.