Home / 26,753.49-36,880.47-20,368.94

Finding the Fourth Proportional to 26,753.49, 36,880.47 and 20,368.94

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Solution

The fourth proportional to 26,753.49, 36,880.47 and 20,368.94 is: 28,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,753.49 : 36,880.47 = 20,368.94 : x
  2. Step 2: Convert to fraction form
    26,753.49/36,880.47 = 20,368.94/x
  3. Step 3: Cross multiply
    26,753.49x = 36,880.47 × 20,368.94
  4. Step 4: Simplify right side
    26,753.49x = 751,215,896.20
  5. Step 5: Solve for x
    x = 751,215,896.20/26,753.49
  6. Step 6: Final answer
    x = 28,079.17

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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.