Home / 19,266.61-28,899.93-12,608.73

Finding the Fourth Proportional to 19,266.61, 28,899.93 and 12,608.73

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Solution

The fourth proportional to 19,266.61, 28,899.93 and 12,608.73 is: 18,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.61 : 28,899.93 = 12,608.73 : x
  2. Step 2: Convert to fraction form
    19,266.61/28,899.93 = 12,608.73/x
  3. Step 3: Cross multiply
    19,266.61x = 28,899.93 × 12,608.73
  4. Step 4: Simplify right side
    19,266.61x = 364,391,238.37
  5. Step 5: Solve for x
    x = 364,391,238.37/19,266.61
  6. Step 6: Final answer
    x = 18,913.10

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Similar ratio
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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.