Home / 23,136.68-31,928.62-12,526.31

Finding the Fourth Proportional to 23,136.68, 31,928.62 and 12,526.31

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Solution

The fourth proportional to 23,136.68, 31,928.62 and 12,526.31 is: 17,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.68 : 31,928.62 = 12,526.31 : x
  2. Step 2: Convert to fraction form
    23,136.68/31,928.62 = 12,526.31/x
  3. Step 3: Cross multiply
    23,136.68x = 31,928.62 × 12,526.31
  4. Step 4: Simplify right side
    23,136.68x = 399,947,790.94
  5. Step 5: Solve for x
    x = 399,947,790.94/23,136.68
  6. Step 6: Final answer
    x = 17,286.31

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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.