Home / 19,126.51-26,383.59-11,943.95

Finding the Fourth Proportional to 19,126.51, 26,383.59 and 11,943.95

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Solution

The fourth proportional to 19,126.51, 26,383.59 and 11,943.95 is: 16,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.51 : 26,383.59 = 11,943.95 : x
  2. Step 2: Convert to fraction form
    19,126.51/26,383.59 = 11,943.95/x
  3. Step 3: Cross multiply
    19,126.51x = 26,383.59 × 11,943.95
  4. Step 4: Simplify right side
    19,126.51x = 315,124,147.86
  5. Step 5: Solve for x
    x = 315,124,147.86/19,126.51
  6. Step 6: Final answer
    x = 16,475.78

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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.