Home / 17,273.51-23,839.74-12,810

Finding the Fourth Proportional to 17,273.51, 23,839.74 and 12,810

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Solution

The fourth proportional to 17,273.51, 23,839.74 and 12,810 is: 17,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,273.51 : 23,839.74 = 12,810 : x
  2. Step 2: Convert to fraction form
    17,273.51/23,839.74 = 12,810/x
  3. Step 3: Cross multiply
    17,273.51x = 23,839.74 × 12,810
  4. Step 4: Simplify right side
    17,273.51x = 305,387,005.35
  5. Step 5: Solve for x
    x = 305,387,005.35/17,273.51
  6. Step 6: Final answer
    x = 17,679.50

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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.