Home / 19,213.62-26,514.80-10,830.12

Finding the Fourth Proportional to 19,213.62, 26,514.80 and 10,830.12

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Solution

The fourth proportional to 19,213.62, 26,514.80 and 10,830.12 is: 14,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.62 : 26,514.80 = 10,830.12 : x
  2. Step 2: Convert to fraction form
    19,213.62/26,514.80 = 10,830.12/x
  3. Step 3: Cross multiply
    19,213.62x = 26,514.80 × 10,830.12
  4. Step 4: Simplify right side
    19,213.62x = 287,158,465.78
  5. Step 5: Solve for x
    x = 287,158,465.78/19,213.62
  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.