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Finding the Fourth Proportional to 19,504.31, 26,915.81 and 10,551.68

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Solution

The fourth proportional to 19,504.31, 26,915.81 and 10,551.68 is: 14,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504.31 : 26,915.81 = 10,551.68 : x
  2. Step 2: Convert to fraction form
    19,504.31/26,915.81 = 10,551.68/x
  3. Step 3: Cross multiply
    19,504.31x = 26,915.81 × 10,551.68
  4. Step 4: Simplify right side
    19,504.31x = 284,006,826.72
  5. Step 5: Solve for x
    x = 284,006,826.72/19,504.31
  6. Step 6: Final answer
    x = 14,561.24

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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.