Home / 25,187.93-34,767.88-15,633.41

Finding the Fourth Proportional to 25,187.93, 34,767.88 and 15,633.41

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Solution

The fourth proportional to 25,187.93, 34,767.88 and 15,633.41 is: 21,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.93 : 34,767.88 = 15,633.41 : x
  2. Step 2: Convert to fraction form
    25,187.93/34,767.88 = 15,633.41/x
  3. Step 3: Cross multiply
    25,187.93x = 34,767.88 × 15,633.41
  4. Step 4: Simplify right side
    25,187.93x = 543,540,522.87
  5. Step 5: Solve for x
    x = 543,540,522.87/25,187.93
  6. Step 6: Final answer
    x = 21,579.40

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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.