Home / 25,886.41-35,735.28-19,515.59

Finding the Fourth Proportional to 25,886.41, 35,735.28 and 19,515.59

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Solution

The fourth proportional to 25,886.41, 35,735.28 and 19,515.59 is: 26,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,886.41 : 35,735.28 = 19,515.59 : x
  2. Step 2: Convert to fraction form
    25,886.41/35,735.28 = 19,515.59/x
  3. Step 3: Cross multiply
    25,886.41x = 35,735.28 × 19,515.59
  4. Step 4: Simplify right side
    25,886.41x = 697,395,073.02
  5. Step 5: Solve for x
    x = 697,395,073.02/25,886.41
  6. Step 6: Final answer
    x = 26,940.59

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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.