Home / 26,186.09-39,298.16-19,629.95

Finding the Fourth Proportional to 26,186.09, 39,298.16 and 19,629.95

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Solution

The fourth proportional to 26,186.09, 39,298.16 and 19,629.95 is: 29,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.09 : 39,298.16 = 19,629.95 : x
  2. Step 2: Convert to fraction form
    26,186.09/39,298.16 = 19,629.95/x
  3. Step 3: Cross multiply
    26,186.09x = 39,298.16 × 19,629.95
  4. Step 4: Simplify right side
    26,186.09x = 771,420,768.48
  5. Step 5: Solve for x
    x = 771,420,768.48/26,186.09
  6. Step 6: Final answer
    x = 29,459.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.