Home / 13,903.26-19,186.96-7,616.04

Finding the Fourth Proportional to 13,903.26, 19,186.96 and 7,616.04

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Solution

The fourth proportional to 13,903.26, 19,186.96 and 7,616.04 is: 10,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.26 : 19,186.96 = 7,616.04 : x
  2. Step 2: Convert to fraction form
    13,903.26/19,186.96 = 7,616.04/x
  3. Step 3: Cross multiply
    13,903.26x = 19,186.96 × 7,616.04
  4. Step 4: Simplify right side
    13,903.26x = 146,128,654.84
  5. Step 5: Solve for x
    x = 146,128,654.84/13,903.26
  6. Step 6: Final answer
    x = 10,510.39

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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.