Home / 19,478.61-26,893.82-12,414.60

Finding the Fourth Proportional to 19,478.61, 26,893.82 and 12,414.60

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Solution

The fourth proportional to 19,478.61, 26,893.82 and 12,414.60 is: 17,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.61 : 26,893.82 = 12,414.60 : x
  2. Step 2: Convert to fraction form
    19,478.61/26,893.82 = 12,414.60/x
  3. Step 3: Cross multiply
    19,478.61x = 26,893.82 × 12,414.60
  4. Step 4: Simplify right side
    19,478.61x = 333,876,048.81
  5. Step 5: Solve for x
    x = 333,876,048.81/19,478.61
  6. Step 6: Final answer
    x = 17,140.65

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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.