Home / 13,681.94-18,858.35-10,844.30

Finding the Fourth Proportional to 13,681.94, 18,858.35 and 10,844.30

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Solution

The fourth proportional to 13,681.94, 18,858.35 and 10,844.30 is: 14,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681.94 : 18,858.35 = 10,844.30 : x
  2. Step 2: Convert to fraction form
    13,681.94/18,858.35 = 10,844.30/x
  3. Step 3: Cross multiply
    13,681.94x = 18,858.35 × 10,844.30
  4. Step 4: Simplify right side
    13,681.94x = 204,505,679.16
  5. Step 5: Solve for x
    x = 204,505,679.16/13,681.94
  6. Step 6: Final answer
    x = 14,947.13

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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.