Home / 26,782.51-36,961.07-15,298.42

Finding the Fourth Proportional to 26,782.51, 36,961.07 and 15,298.42

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Solution

The fourth proportional to 26,782.51, 36,961.07 and 15,298.42 is: 21,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.51 : 36,961.07 = 15,298.42 : x
  2. Step 2: Convert to fraction form
    26,782.51/36,961.07 = 15,298.42/x
  3. Step 3: Cross multiply
    26,782.51x = 36,961.07 × 15,298.42
  4. Step 4: Simplify right side
    26,782.51x = 565,445,972.51
  5. Step 5: Solve for x
    x = 565,445,972.51/26,782.51
  6. Step 6: Final answer
    x = 21,112.51

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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.