Home / 19,117.41-28,643.75-11,706.39

Finding the Fourth Proportional to 19,117.41, 28,643.75 and 11,706.39

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Solution

The fourth proportional to 19,117.41, 28,643.75 and 11,706.39 is: 17,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.41 : 28,643.75 = 11,706.39 : x
  2. Step 2: Convert to fraction form
    19,117.41/28,643.75 = 11,706.39/x
  3. Step 3: Cross multiply
    19,117.41x = 28,643.75 × 11,706.39
  4. Step 4: Simplify right side
    19,117.41x = 335,314,908.56
  5. Step 5: Solve for x
    x = 335,314,908.56/19,117.41
  6. Step 6: Final answer
    x = 17,539.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.