Home / 27,905.36-38,466.72-17,130.33

Finding the Fourth Proportional to 27,905.36, 38,466.72 and 17,130.33

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Solution

The fourth proportional to 27,905.36, 38,466.72 and 17,130.33 is: 23,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.36 : 38,466.72 = 17,130.33 : x
  2. Step 2: Convert to fraction form
    27,905.36/38,466.72 = 17,130.33/x
  3. Step 3: Cross multiply
    27,905.36x = 38,466.72 × 17,130.33
  4. Step 4: Simplify right side
    27,905.36x = 658,947,607.62
  5. Step 5: Solve for x
    x = 658,947,607.62/27,905.36
  6. Step 6: Final answer
    x = 23,613.66

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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.