Home / 17,040-23,515.72-9,279.33

Finding the Fourth Proportional to 17,040, 23,515.72 and 9,279.33

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Solution

The fourth proportional to 17,040, 23,515.72 and 9,279.33 is: 12,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,040 : 23,515.72 = 9,279.33 : x
  2. Step 2: Convert to fraction form
    17,040/23,515.72 = 9,279.33/x
  3. Step 3: Cross multiply
    17,040x = 23,515.72 × 9,279.33
  4. Step 4: Simplify right side
    17,040x = 218,210,008.49
  5. Step 5: Solve for x
    x = 218,210,008.49/17,040
  6. Step 6: Final answer
    x = 12,805.75

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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.