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Finding the Fourth Proportional to 19,137.35, 26,410.95 and 10,641

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Solution

The fourth proportional to 19,137.35, 26,410.95 and 10,641 is: 14,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.35 : 26,410.95 = 10,641 : x
  2. Step 2: Convert to fraction form
    19,137.35/26,410.95 = 10,641/x
  3. Step 3: Cross multiply
    19,137.35x = 26,410.95 × 10,641
  4. Step 4: Simplify right side
    19,137.35x = 281,038,918.95
  5. Step 5: Solve for x
    x = 281,038,918.95/19,137.35
  6. Step 6: Final answer
    x = 14,685.37

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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.