Home / 26,745.99-36,908.22-15,417.51

Finding the Fourth Proportional to 26,745.99, 36,908.22 and 15,417.51

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Solution

The fourth proportional to 26,745.99, 36,908.22 and 15,417.51 is: 21,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,745.99 : 36,908.22 = 15,417.51 : x
  2. Step 2: Convert to fraction form
    26,745.99/36,908.22 = 15,417.51/x
  3. Step 3: Cross multiply
    26,745.99x = 36,908.22 × 15,417.51
  4. Step 4: Simplify right side
    26,745.99x = 569,032,850.93
  5. Step 5: Solve for x
    x = 569,032,850.93/26,745.99
  6. Step 6: Final answer
    x = 21,275.45

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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.