Home / 25,782.14-35,568.71-15,706.89

Finding the Fourth Proportional to 25,782.14, 35,568.71 and 15,706.89

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Solution

The fourth proportional to 25,782.14, 35,568.71 and 15,706.89 is: 21,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,782.14 : 35,568.71 = 15,706.89 : x
  2. Step 2: Convert to fraction form
    25,782.14/35,568.71 = 15,706.89/x
  3. Step 3: Cross multiply
    25,782.14x = 35,568.71 × 15,706.89
  4. Step 4: Simplify right side
    25,782.14x = 558,673,736.88
  5. Step 5: Solve for x
    x = 558,673,736.88/25,782.14
  6. Step 6: Final answer
    x = 21,669.03

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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.