Home / 19,213.75-26,515.38-10,830.25

Finding the Fourth Proportional to 19,213.75, 26,515.38 and 10,830.25

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Solution

The fourth proportional to 19,213.75, 26,515.38 and 10,830.25 is: 14,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.75 : 26,515.38 = 10,830.25 : x
  2. Step 2: Convert to fraction form
    19,213.75/26,515.38 = 10,830.25/x
  3. Step 3: Cross multiply
    19,213.75x = 26,515.38 × 10,830.25
  4. Step 4: Simplify right side
    19,213.75x = 287,168,194.25
  5. Step 5: Solve for x
    x = 287,168,194.25/19,213.75
  6. Step 6: Final answer
    x = 14,945.97

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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.