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Finding the Fourth Proportional to 17,918.66, 24,725.61 and 9,851.00

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Solution

The fourth proportional to 17,918.66, 24,725.61 and 9,851.00 is: 13,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.66 : 24,725.61 = 9,851.00 : x
  2. Step 2: Convert to fraction form
    17,918.66/24,725.61 = 9,851.00/x
  3. Step 3: Cross multiply
    17,918.66x = 24,725.61 × 9,851.00
  4. Step 4: Simplify right side
    17,918.66x = 243,571,860.48
  5. Step 5: Solve for x
    x = 243,571,860.48/17,918.66
  6. Step 6: Final answer
    x = 13,593.20

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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.