Home / 26,130.79-36,090.22-17,618.30

Finding the Fourth Proportional to 26,130.79, 36,090.22 and 17,618.30

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Solution

The fourth proportional to 26,130.79, 36,090.22 and 17,618.30 is: 24,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.79 : 36,090.22 = 17,618.30 : x
  2. Step 2: Convert to fraction form
    26,130.79/36,090.22 = 17,618.30/x
  3. Step 3: Cross multiply
    26,130.79x = 36,090.22 × 17,618.30
  4. Step 4: Simplify right side
    26,130.79x = 635,848,323.03
  5. Step 5: Solve for x
    x = 635,848,323.03/26,130.79
  6. Step 6: Final answer
    x = 24,333.30

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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.