Home / 25,222.36-34,806.53-13,891.64

Finding the Fourth Proportional to 25,222.36, 34,806.53 and 13,891.64

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Solution

The fourth proportional to 25,222.36, 34,806.53 and 13,891.64 is: 19,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.36 : 34,806.53 = 13,891.64 : x
  2. Step 2: Convert to fraction form
    25,222.36/34,806.53 = 13,891.64/x
  3. Step 3: Cross multiply
    25,222.36x = 34,806.53 × 13,891.64
  4. Step 4: Simplify right side
    25,222.36x = 483,519,784.41
  5. Step 5: Solve for x
    x = 483,519,784.41/25,222.36
  6. Step 6: Final answer
    x = 19,170.28

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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.