Home / 29,126.16-40,170.96-18,906.03

Finding the Fourth Proportional to 29,126.16, 40,170.96 and 18,906.03

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Solution

The fourth proportional to 29,126.16, 40,170.96 and 18,906.03 is: 26,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126.16 : 40,170.96 = 18,906.03 : x
  2. Step 2: Convert to fraction form
    29,126.16/40,170.96 = 18,906.03/x
  3. Step 3: Cross multiply
    29,126.16x = 40,170.96 × 18,906.03
  4. Step 4: Simplify right side
    29,126.16x = 759,473,374.89
  5. Step 5: Solve for x
    x = 759,473,374.89/29,126.16
  6. Step 6: Final answer
    x = 26,075.30

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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.