Home / 25,322.19-34,942.83-13,991.57

Finding the Fourth Proportional to 25,322.19, 34,942.83 and 13,991.57

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Solution

The fourth proportional to 25,322.19, 34,942.83 and 13,991.57 is: 19,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.19 : 34,942.83 = 13,991.57 : x
  2. Step 2: Convert to fraction form
    25,322.19/34,942.83 = 13,991.57/x
  3. Step 3: Cross multiply
    25,322.19x = 34,942.83 × 13,991.57
  4. Step 4: Simplify right side
    25,322.19x = 488,904,877.23
  5. Step 5: Solve for x
    x = 488,904,877.23/25,322.19
  6. Step 6: Final answer
    x = 19,307.37

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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.