Home / 23,136.76-31,928.74-12,526.44

Finding the Fourth Proportional to 23,136.76, 31,928.74 and 12,526.44

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Solution

The fourth proportional to 23,136.76, 31,928.74 and 12,526.44 is: 17,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.76 : 31,928.74 = 12,526.44 : x
  2. Step 2: Convert to fraction form
    23,136.76/31,928.74 = 12,526.44/x
  3. Step 3: Cross multiply
    23,136.76x = 31,928.74 × 12,526.44
  4. Step 4: Simplify right side
    23,136.76x = 399,953,445.89
  5. Step 5: Solve for x
    x = 399,953,445.89/23,136.76
  6. Step 6: Final answer
    x = 17,286.49

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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.