Home / 26,213.94-39,312.51-8,680.02

Finding the Fourth Proportional to 26,213.94, 39,312.51 and 8,680.02

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Solution

The fourth proportional to 26,213.94, 39,312.51 and 8,680.02 is: 13,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,213.94 : 39,312.51 = 8,680.02 : x
  2. Step 2: Convert to fraction form
    26,213.94/39,312.51 = 8,680.02/x
  3. Step 3: Cross multiply
    26,213.94x = 39,312.51 × 8,680.02
  4. Step 4: Simplify right side
    26,213.94x = 341,233,373.05
  5. Step 5: Solve for x
    x = 341,233,373.05/26,213.94
  6. Step 6: Final answer
    x = 13,017.25

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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.