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Finding the Fourth Proportional to 16,970.58, 25,435.08 and 9,954.09

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Solution

The fourth proportional to 16,970.58, 25,435.08 and 9,954.09 is: 14,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.58 : 25,435.08 = 9,954.09 : x
  2. Step 2: Convert to fraction form
    16,970.58/25,435.08 = 9,954.09/x
  3. Step 3: Cross multiply
    16,970.58x = 25,435.08 × 9,954.09
  4. Step 4: Simplify right side
    16,970.58x = 253,183,075.48
  5. Step 5: Solve for x
    x = 253,183,075.48/16,970.58
  6. Step 6: Final answer
    x = 14,918.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.