Home / 19,133.06-26,395.09-11,171.77

Finding the Fourth Proportional to 19,133.06, 26,395.09 and 11,171.77

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Solution

The fourth proportional to 19,133.06, 26,395.09 and 11,171.77 is: 15,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.06 : 26,395.09 = 11,171.77 : x
  2. Step 2: Convert to fraction form
    19,133.06/26,395.09 = 11,171.77/x
  3. Step 3: Cross multiply
    19,133.06x = 26,395.09 × 11,171.77
  4. Step 4: Simplify right side
    19,133.06x = 294,879,780.69
  5. Step 5: Solve for x
    x = 294,879,780.69/19,133.06
  6. Step 6: Final answer
    x = 15,412.06

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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.