Home / 25,840.75-35,665.79-15,767.03

Finding the Fourth Proportional to 25,840.75, 35,665.79 and 15,767.03

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Solution

The fourth proportional to 25,840.75, 35,665.79 and 15,767.03 is: 21,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,840.75 : 35,665.79 = 15,767.03 : x
  2. Step 2: Convert to fraction form
    25,840.75/35,665.79 = 15,767.03/x
  3. Step 3: Cross multiply
    25,840.75x = 35,665.79 × 15,767.03
  4. Step 4: Simplify right side
    25,840.75x = 562,343,580.90
  5. Step 5: Solve for x
    x = 562,343,580.90/25,840.75
  6. Step 6: Final answer
    x = 21,761.89

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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.