Home / 17,173.69-23,820.94-16,718.47

Finding the Fourth Proportional to 17,173.69, 23,820.94 and 16,718.47

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Solution

The fourth proportional to 17,173.69, 23,820.94 and 16,718.47 is: 23,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173.69 : 23,820.94 = 16,718.47 : x
  2. Step 2: Convert to fraction form
    17,173.69/23,820.94 = 16,718.47/x
  3. Step 3: Cross multiply
    17,173.69x = 23,820.94 × 16,718.47
  4. Step 4: Simplify right side
    17,173.69x = 398,249,670.76
  5. Step 5: Solve for x
    x = 398,249,670.76/17,173.69
  6. Step 6: Final answer
    x = 23,189.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.