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Finding the Fourth Proportional to 19,503.94, 26,915.36 and 10,551.36

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Solution

The fourth proportional to 19,503.94, 26,915.36 and 10,551.36 is: 14,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.94 : 26,915.36 = 10,551.36 : x
  2. Step 2: Convert to fraction form
    19,503.94/26,915.36 = 10,551.36/x
  3. Step 3: Cross multiply
    19,503.94x = 26,915.36 × 10,551.36
  4. Step 4: Simplify right side
    19,503.94x = 283,993,790.09
  5. Step 5: Solve for x
    x = 283,993,790.09/19,503.94
  6. Step 6: Final answer
    x = 14,560.84

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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.