Home / 17,126.99-25,690.35-8,809.32

Finding the Fourth Proportional to 17,126.99, 25,690.35 and 8,809.32

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Solution

The fourth proportional to 17,126.99, 25,690.35 and 8,809.32 is: 13,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.99 : 25,690.35 = 8,809.32 : x
  2. Step 2: Convert to fraction form
    17,126.99/25,690.35 = 8,809.32/x
  3. Step 3: Cross multiply
    17,126.99x = 25,690.35 × 8,809.32
  4. Step 4: Simplify right side
    17,126.99x = 226,314,514.06
  5. Step 5: Solve for x
    x = 226,314,514.06/17,126.99
  6. Step 6: Final answer
    x = 13,213.91

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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.