Home / 12,124.30-18,214.08-11,626.66

Finding the Fourth Proportional to 12,124.30, 18,214.08 and 11,626.66

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Solution

The fourth proportional to 12,124.30, 18,214.08 and 11,626.66 is: 17,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.30 : 18,214.08 = 11,626.66 : x
  2. Step 2: Convert to fraction form
    12,124.30/18,214.08 = 11,626.66/x
  3. Step 3: Cross multiply
    12,124.30x = 18,214.08 × 11,626.66
  4. Step 4: Simplify right side
    12,124.30x = 211,768,915.37
  5. Step 5: Solve for x
    x = 211,768,915.37/12,124.30
  6. Step 6: Final answer
    x = 17,466.49

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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.