Home / 29,454.90-40,634.82-19,370.40

Finding the Fourth Proportional to 29,454.90, 40,634.82 and 19,370.40

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Solution

The fourth proportional to 29,454.90, 40,634.82 and 19,370.40 is: 26,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,454.90 : 40,634.82 = 19,370.40 : x
  2. Step 2: Convert to fraction form
    29,454.90/40,634.82 = 19,370.40/x
  3. Step 3: Cross multiply
    29,454.90x = 40,634.82 × 19,370.40
  4. Step 4: Simplify right side
    29,454.90x = 787,112,717.33
  5. Step 5: Solve for x
    x = 787,112,717.33/29,454.90
  6. Step 6: Final answer
    x = 26,722.64

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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.