Home / 17,938.32-26,906.76-7,542.60

Finding the Fourth Proportional to 17,938.32, 26,906.76 and 7,542.60

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Solution

The fourth proportional to 17,938.32, 26,906.76 and 7,542.60 is: 11,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.32 : 26,906.76 = 7,542.60 : x
  2. Step 2: Convert to fraction form
    17,938.32/26,906.76 = 7,542.60/x
  3. Step 3: Cross multiply
    17,938.32x = 26,906.76 × 7,542.60
  4. Step 4: Simplify right side
    17,938.32x = 202,946,927.98
  5. Step 5: Solve for x
    x = 202,946,927.98/17,938.32
  6. Step 6: Final answer
    x = 11,313.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.