Home / 25,850.18-35,676.54-15,776.48

Finding the Fourth Proportional to 25,850.18, 35,676.54 and 15,776.48

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Solution

The fourth proportional to 25,850.18, 35,676.54 and 15,776.48 is: 21,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,850.18 : 35,676.54 = 15,776.48 : x
  2. Step 2: Convert to fraction form
    25,850.18/35,676.54 = 15,776.48/x
  3. Step 3: Cross multiply
    25,850.18x = 35,676.54 × 15,776.48
  4. Step 4: Simplify right side
    25,850.18x = 562,850,041.40
  5. Step 5: Solve for x
    x = 562,850,041.40/25,850.18
  6. Step 6: Final answer
    x = 21,773.55

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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.