Home / 27,671.16-38,194.38-19,290.36

Finding the Fourth Proportional to 27,671.16, 38,194.38 and 19,290.36

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Solution

The fourth proportional to 27,671.16, 38,194.38 and 19,290.36 is: 26,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.16 : 38,194.38 = 19,290.36 : x
  2. Step 2: Convert to fraction form
    27,671.16/38,194.38 = 19,290.36/x
  3. Step 3: Cross multiply
    27,671.16x = 38,194.38 × 19,290.36
  4. Step 4: Simplify right side
    27,671.16x = 736,783,340.18
  5. Step 5: Solve for x
    x = 736,783,340.18/27,671.16
  6. Step 6: Final answer
    x = 26,626.40

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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.