Home / 26,750.84-40,131.66-18,434.84

Finding the Fourth Proportional to 26,750.84, 40,131.66 and 18,434.84

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Solution

The fourth proportional to 26,750.84, 40,131.66 and 18,434.84 is: 27,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,750.84 : 40,131.66 = 18,434.84 : x
  2. Step 2: Convert to fraction form
    26,750.84/40,131.66 = 18,434.84/x
  3. Step 3: Cross multiply
    26,750.84x = 40,131.66 × 18,434.84
  4. Step 4: Simplify right side
    26,750.84x = 739,820,731.03
  5. Step 5: Solve for x
    x = 739,820,731.03/26,750.84
  6. Step 6: Final answer
    x = 27,655.98

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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.