Home / 26,965.18-40,447.74-12,538.06

Finding the Fourth Proportional to 26,965.18, 40,447.74 and 12,538.06

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Solution

The fourth proportional to 26,965.18, 40,447.74 and 12,538.06 is: 18,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,965.18 : 40,447.74 = 12,538.06 : x
  2. Step 2: Convert to fraction form
    26,965.18/40,447.74 = 12,538.06/x
  3. Step 3: Cross multiply
    26,965.18x = 40,447.74 × 12,538.06
  4. Step 4: Simplify right side
    26,965.18x = 507,136,190.98
  5. Step 5: Solve for x
    x = 507,136,190.98/26,965.18
  6. Step 6: Final answer
    x = 18,807.08

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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.