Home / 18,199.12-25,114.70-10,241.48

Finding the Fourth Proportional to 18,199.12, 25,114.70 and 10,241.48

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Solution

The fourth proportional to 18,199.12, 25,114.70 and 10,241.48 is: 14,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.12 : 25,114.70 = 10,241.48 : x
  2. Step 2: Convert to fraction form
    18,199.12/25,114.70 = 10,241.48/x
  3. Step 3: Cross multiply
    18,199.12x = 25,114.70 × 10,241.48
  4. Step 4: Simplify right side
    18,199.12x = 257,211,572.18
  5. Step 5: Solve for x
    x = 257,211,572.18/18,199.12
  6. Step 6: Final answer
    x = 14,133.19

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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.