Home / 13,968.35-19,276.14-10,399.25

Finding the Fourth Proportional to 13,968.35, 19,276.14 and 10,399.25

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Solution

The fourth proportional to 13,968.35, 19,276.14 and 10,399.25 is: 14,350.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.35 : 19,276.14 = 10,399.25 : x
  2. Step 2: Convert to fraction form
    13,968.35/19,276.14 = 10,399.25/x
  3. Step 3: Cross multiply
    13,968.35x = 19,276.14 × 10,399.25
  4. Step 4: Simplify right side
    13,968.35x = 200,457,486.08
  5. Step 5: Solve for x
    x = 200,457,486.08/13,968.35
  6. Step 6: Final answer
    x = 14,350.84

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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.