Home / 19,391.00-26,761.19-11,434.77

Finding the Fourth Proportional to 19,391.00, 26,761.19 and 11,434.77

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Solution

The fourth proportional to 19,391.00, 26,761.19 and 11,434.77 is: 15,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.00 : 26,761.19 = 11,434.77 : x
  2. Step 2: Convert to fraction form
    19,391.00/26,761.19 = 11,434.77/x
  3. Step 3: Cross multiply
    19,391.00x = 26,761.19 × 11,434.77
  4. Step 4: Simplify right side
    19,391.00x = 306,007,995.40
  5. Step 5: Solve for x
    x = 306,007,995.40/19,391.00
  6. Step 6: Final answer
    x = 15,780.93

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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.