Home / 19,213.96-26,514.34-10,830.44

Finding the Fourth Proportional to 19,213.96, 26,514.34 and 10,830.44

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Solution

The fourth proportional to 19,213.96, 26,514.34 and 10,830.44 is: 14,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.96 : 26,514.34 = 10,830.44 : x
  2. Step 2: Convert to fraction form
    19,213.96/26,514.34 = 10,830.44/x
  3. Step 3: Cross multiply
    19,213.96x = 26,514.34 × 10,830.44
  4. Step 4: Simplify right side
    19,213.96x = 287,161,968.51
  5. Step 5: Solve for x
    x = 287,161,968.51/19,213.96
  6. Step 6: Final answer
    x = 14,945.49

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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.