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Finding the Fourth Proportional to 19,503.84, 26,915.23 and 10,551.33

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Solution

The fourth proportional to 19,503.84, 26,915.23 and 10,551.33 is: 14,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.84 : 26,915.23 = 10,551.33 : x
  2. Step 2: Convert to fraction form
    19,503.84/26,915.23 = 10,551.33/x
  3. Step 3: Cross multiply
    19,503.84x = 26,915.23 × 10,551.33
  4. Step 4: Simplify right side
    19,503.84x = 283,991,587.88
  5. Step 5: Solve for x
    x = 283,991,587.88/19,503.84
  6. Step 6: Final answer
    x = 14,560.81

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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.