Home / 17,379.84-23,975.28-11,085.60

Finding the Fourth Proportional to 17,379.84, 23,975.28 and 11,085.60

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Solution

The fourth proportional to 17,379.84, 23,975.28 and 11,085.60 is: 15,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.84 : 23,975.28 = 11,085.60 : x
  2. Step 2: Convert to fraction form
    17,379.84/23,975.28 = 11,085.60/x
  3. Step 3: Cross multiply
    17,379.84x = 23,975.28 × 11,085.60
  4. Step 4: Simplify right side
    17,379.84x = 265,780,363.97
  5. Step 5: Solve for x
    x = 265,780,363.97/17,379.84
  6. Step 6: Final answer
    x = 15,292.45

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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.