Home / 26,746.49-36,870.81-20,361.94

Finding the Fourth Proportional to 26,746.49, 36,870.81 and 20,361.94

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Solution

The fourth proportional to 26,746.49, 36,870.81 and 20,361.94 is: 28,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,746.49 : 36,870.81 = 20,361.94 : x
  2. Step 2: Convert to fraction form
    26,746.49/36,870.81 = 20,361.94/x
  3. Step 3: Cross multiply
    26,746.49x = 36,870.81 × 20,361.94
  4. Step 4: Simplify right side
    26,746.49x = 750,761,220.97
  5. Step 5: Solve for x
    x = 750,761,220.97/26,746.49
  6. Step 6: Final answer
    x = 28,069.52

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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.