Home / 23,136.89-31,928.86-12,526.52

Finding the Fourth Proportional to 23,136.89, 31,928.86 and 12,526.52

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Solution

The fourth proportional to 23,136.89, 31,928.86 and 12,526.52 is: 17,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.89 : 31,928.86 = 12,526.52 : x
  2. Step 2: Convert to fraction form
    23,136.89/31,928.86 = 12,526.52/x
  3. Step 3: Cross multiply
    23,136.89x = 31,928.86 × 12,526.52
  4. Step 4: Simplify right side
    23,136.89x = 399,957,503.37
  5. Step 5: Solve for x
    x = 399,957,503.37/23,136.89
  6. Step 6: Final answer
    x = 17,286.57

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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.