Home / 26,754.49-36,881.85-20,369.94

Finding the Fourth Proportional to 26,754.49, 36,881.85 and 20,369.94

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Solution

The fourth proportional to 26,754.49, 36,881.85 and 20,369.94 is: 28,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,754.49 : 36,881.85 = 20,369.94 : x
  2. Step 2: Convert to fraction form
    26,754.49/36,881.85 = 20,369.94/x
  3. Step 3: Cross multiply
    26,754.49x = 36,881.85 × 20,369.94
  4. Step 4: Simplify right side
    26,754.49x = 751,281,071.59
  5. Step 5: Solve for x
    x = 751,281,071.59/26,754.49
  6. Step 6: Final answer
    x = 28,080.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.