Home / 26,308.65-36,258.99-19,919.94

Finding the Fourth Proportional to 26,308.65, 36,258.99 and 19,919.94

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Solution

The fourth proportional to 26,308.65, 36,258.99 and 19,919.94 is: 27,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,308.65 : 36,258.99 = 19,919.94 : x
  2. Step 2: Convert to fraction form
    26,308.65/36,258.99 = 19,919.94/x
  3. Step 3: Cross multiply
    26,308.65x = 36,258.99 × 19,919.94
  4. Step 4: Simplify right side
    26,308.65x = 722,276,905.26
  5. Step 5: Solve for x
    x = 722,276,905.26/26,308.65
  6. Step 6: Final answer
    x = 27,453.97

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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.