Home / 26,492.78-39,739.19-16,638.98

Finding the Fourth Proportional to 26,492.78, 39,739.19 and 16,638.98

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Solution

The fourth proportional to 26,492.78, 39,739.19 and 16,638.98 is: 24,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,492.78 : 39,739.19 = 16,638.98 : x
  2. Step 2: Convert to fraction form
    26,492.78/39,739.19 = 16,638.98/x
  3. Step 3: Cross multiply
    26,492.78x = 39,739.19 × 16,638.98
  4. Step 4: Simplify right side
    26,492.78x = 661,219,305.74
  5. Step 5: Solve for x
    x = 661,219,305.74/26,492.78
  6. Step 6: Final answer
    x = 24,958.47

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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.