Home / 26,759.49-36,888.75-20,374.95

Finding the Fourth Proportional to 26,759.49, 36,888.75 and 20,374.95

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Solution

The fourth proportional to 26,759.49, 36,888.75 and 20,374.95 is: 28,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,759.49 : 36,888.75 = 20,374.95 : x
  2. Step 2: Convert to fraction form
    26,759.49/36,888.75 = 20,374.95/x
  3. Step 3: Cross multiply
    26,759.49x = 36,888.75 × 20,374.95
  4. Step 4: Simplify right side
    26,759.49x = 751,606,436.81
  5. Step 5: Solve for x
    x = 751,606,436.81/26,759.49
  6. Step 6: Final answer
    x = 28,087.47

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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.