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Finding the Fourth Proportional to 19,504, 26,915.84 and 13,924.48

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Solution

The fourth proportional to 19,504, 26,915.84 and 13,924.48 is: 19,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504 : 26,915.84 = 13,924.48 : x
  2. Step 2: Convert to fraction form
    19,504/26,915.84 = 13,924.48/x
  3. Step 3: Cross multiply
    19,504x = 26,915.84 × 13,924.48
  4. Step 4: Simplify right side
    19,504x = 374,789,075.76
  5. Step 5: Solve for x
    x = 374,789,075.76/19,504
  6. Step 6: Final answer
    x = 19,216.01

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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.