Home / 17,143.66-23,663.22-9,975.22

Finding the Fourth Proportional to 17,143.66, 23,663.22 and 9,975.22

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Solution

The fourth proportional to 17,143.66, 23,663.22 and 9,975.22 is: 13,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.66 : 23,663.22 = 9,975.22 : x
  2. Step 2: Convert to fraction form
    17,143.66/23,663.22 = 9,975.22/x
  3. Step 3: Cross multiply
    17,143.66x = 23,663.22 × 9,975.22
  4. Step 4: Simplify right side
    17,143.66x = 236,045,825.41
  5. Step 5: Solve for x
    x = 236,045,825.41/17,143.66
  6. Step 6: Final answer
    x = 13,768.69

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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.