Home / 26,271.51-36,249.72-15,662.13

Finding the Fourth Proportional to 26,271.51, 36,249.72 and 15,662.13

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Solution

The fourth proportional to 26,271.51, 36,249.72 and 15,662.13 is: 21,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.51 : 36,249.72 = 15,662.13 : x
  2. Step 2: Convert to fraction form
    26,271.51/36,249.72 = 15,662.13/x
  3. Step 3: Cross multiply
    26,271.51x = 36,249.72 × 15,662.13
  4. Step 4: Simplify right side
    26,271.51x = 567,747,827.10
  5. Step 5: Solve for x
    x = 567,747,827.10/26,271.51
  6. Step 6: Final answer
    x = 21,610.78

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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.