Home / 19,133.88-26,405.34-11,581.60

Finding the Fourth Proportional to 19,133.88, 26,405.34 and 11,581.60

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Solution

The fourth proportional to 19,133.88, 26,405.34 and 11,581.60 is: 15,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.88 : 26,405.34 = 11,581.60 : x
  2. Step 2: Convert to fraction form
    19,133.88/26,405.34 = 11,581.60/x
  3. Step 3: Cross multiply
    19,133.88x = 26,405.34 × 11,581.60
  4. Step 4: Simplify right side
    19,133.88x = 305,816,085.74
  5. Step 5: Solve for x
    x = 305,816,085.74/19,133.88
  6. Step 6: Final answer
    x = 15,982.96

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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.