Home / 19,483.62-26,885.85-11,926.80

Finding the Fourth Proportional to 19,483.62, 26,885.85 and 11,926.80

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Solution

The fourth proportional to 19,483.62, 26,885.85 and 11,926.80 is: 16,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.62 : 26,885.85 = 11,926.80 : x
  2. Step 2: Convert to fraction form
    19,483.62/26,885.85 = 11,926.80/x
  3. Step 3: Cross multiply
    19,483.62x = 26,885.85 × 11,926.80
  4. Step 4: Simplify right side
    19,483.62x = 320,662,155.78
  5. Step 5: Solve for x
    x = 320,662,155.78/19,483.62
  6. Step 6: Final answer
    x = 16,458.04

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1.5x scale

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.