Home / 12,943.75-17,858.07-10,549.60

Finding the Fourth Proportional to 12,943.75, 17,858.07 and 10,549.60

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Solution

The fourth proportional to 12,943.75, 17,858.07 and 10,549.60 is: 14,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.75 : 17,858.07 = 10,549.60 : x
  2. Step 2: Convert to fraction form
    12,943.75/17,858.07 = 10,549.60/x
  3. Step 3: Cross multiply
    12,943.75x = 17,858.07 × 10,549.60
  4. Step 4: Simplify right side
    12,943.75x = 188,395,495.27
  5. Step 5: Solve for x
    x = 188,395,495.27/12,943.75
  6. Step 6: Final answer
    x = 14,554.94

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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.