Home / 16,665.60-23,000-12,466.56

Finding the Fourth Proportional to 16,665.60, 23,000 and 12,466.56

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Solution

The fourth proportional to 16,665.60, 23,000 and 12,466.56 is: 17,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.60 : 23,000 = 12,466.56 : x
  2. Step 2: Convert to fraction form
    16,665.60/23,000 = 12,466.56/x
  3. Step 3: Cross multiply
    16,665.60x = 23,000 × 12,466.56
  4. Step 4: Simplify right side
    16,665.60x = 286,730,880
  5. Step 5: Solve for x
    x = 286,730,880/16,665.60
  6. Step 6: Final answer
    x = 17,204.95

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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.