Home / 26,415.96-39,630.08-7,697.98

Finding the Fourth Proportional to 26,415.96, 39,630.08 and 7,697.98

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Solution

The fourth proportional to 26,415.96, 39,630.08 and 7,697.98 is: 11,548.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.96 : 39,630.08 = 7,697.98 : x
  2. Step 2: Convert to fraction form
    26,415.96/39,630.08 = 7,697.98/x
  3. Step 3: Cross multiply
    26,415.96x = 39,630.08 × 7,697.98
  4. Step 4: Simplify right side
    26,415.96x = 305,071,563.24
  5. Step 5: Solve for x
    x = 305,071,563.24/26,415.96
  6. Step 6: Final answer
    x = 11,548.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.