Home / 19,495.19-26,871.77-15,238.73

Finding the Fourth Proportional to 19,495.19, 26,871.77 and 15,238.73

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Solution

The fourth proportional to 19,495.19, 26,871.77 and 15,238.73 is: 21,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.19 : 26,871.77 = 15,238.73 : x
  2. Step 2: Convert to fraction form
    19,495.19/26,871.77 = 15,238.73/x
  3. Step 3: Cross multiply
    19,495.19x = 26,871.77 × 15,238.73
  4. Step 4: Simplify right side
    19,495.19x = 409,491,571.46
  5. Step 5: Solve for x
    x = 409,491,571.46/19,495.19
  6. Step 6: Final answer
    x = 21,004.75

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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.