Home / 17,187.23-23,722.40-11,208.49

Finding the Fourth Proportional to 17,187.23, 23,722.40 and 11,208.49

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Solution

The fourth proportional to 17,187.23, 23,722.40 and 11,208.49 is: 15,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.23 : 23,722.40 = 11,208.49 : x
  2. Step 2: Convert to fraction form
    17,187.23/23,722.40 = 11,208.49/x
  3. Step 3: Cross multiply
    17,187.23x = 23,722.40 × 11,208.49
  4. Step 4: Simplify right side
    17,187.23x = 265,892,283.18
  5. Step 5: Solve for x
    x = 265,892,283.18/17,187.23
  6. Step 6: Final answer
    x = 15,470.34

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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.