Home / 26,881.20-37,038.60-19,796.40

Finding the Fourth Proportional to 26,881.20, 37,038.60 and 19,796.40

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Solution

The fourth proportional to 26,881.20, 37,038.60 and 19,796.40 is: 27,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.20 : 37,038.60 = 19,796.40 : x
  2. Step 2: Convert to fraction form
    26,881.20/37,038.60 = 19,796.40/x
  3. Step 3: Cross multiply
    26,881.20x = 37,038.60 × 19,796.40
  4. Step 4: Simplify right side
    26,881.20x = 733,230,941.04
  5. Step 5: Solve for x
    x = 733,230,941.04/26,881.20
  6. Step 6: Final answer
    x = 27,276.72

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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.