Home / 25,883.85-35,676.69-18,320.48

Finding the Fourth Proportional to 25,883.85, 35,676.69 and 18,320.48

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Solution

The fourth proportional to 25,883.85, 35,676.69 and 18,320.48 is: 25,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,883.85 : 35,676.69 = 18,320.48 : x
  2. Step 2: Convert to fraction form
    25,883.85/35,676.69 = 18,320.48/x
  3. Step 3: Cross multiply
    25,883.85x = 35,676.69 × 18,320.48
  4. Step 4: Simplify right side
    25,883.85x = 653,613,953.03
  5. Step 5: Solve for x
    x = 653,613,953.03/25,883.85
  6. Step 6: Final answer
    x = 25,251.81

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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.