Home / 25,455.36-38,167.69-11,412.84

Finding the Fourth Proportional to 25,455.36, 38,167.69 and 11,412.84

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Solution

The fourth proportional to 25,455.36, 38,167.69 and 11,412.84 is: 17,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.36 : 38,167.69 = 11,412.84 : x
  2. Step 2: Convert to fraction form
    25,455.36/38,167.69 = 11,412.84/x
  3. Step 3: Cross multiply
    25,455.36x = 38,167.69 × 11,412.84
  4. Step 4: Simplify right side
    25,455.36x = 435,601,767.67
  5. Step 5: Solve for x
    x = 435,601,767.67/25,455.36
  6. Step 6: Final answer
    x = 17,112.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.