Home / 25,175.51-34,742.44-13,845.07

Finding the Fourth Proportional to 25,175.51, 34,742.44 and 13,845.07

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Solution

The fourth proportional to 25,175.51, 34,742.44 and 13,845.07 is: 19,106.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.51 : 34,742.44 = 13,845.07 : x
  2. Step 2: Convert to fraction form
    25,175.51/34,742.44 = 13,845.07/x
  3. Step 3: Cross multiply
    25,175.51x = 34,742.44 × 13,845.07
  4. Step 4: Simplify right side
    25,175.51x = 481,011,513.77
  5. Step 5: Solve for x
    x = 481,011,513.77/25,175.51
  6. Step 6: Final answer
    x = 19,106.33

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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.