Home / 19,213.54-26,514.89-10,830.04

Finding the Fourth Proportional to 19,213.54, 26,514.89 and 10,830.04

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Solution

The fourth proportional to 19,213.54, 26,514.89 and 10,830.04 is: 14,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.54 : 26,514.89 = 10,830.04 : x
  2. Step 2: Convert to fraction form
    19,213.54/26,514.89 = 10,830.04/x
  3. Step 3: Cross multiply
    19,213.54x = 26,514.89 × 10,830.04
  4. Step 4: Simplify right side
    19,213.54x = 287,157,319.30
  5. Step 5: Solve for x
    x = 287,157,319.30/19,213.54
  6. Step 6: Final answer
    x = 14,945.57

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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.