Home / 25,080.08-34,609.59-13,749.33

Finding the Fourth Proportional to 25,080.08, 34,609.59 and 13,749.33

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Solution

The fourth proportional to 25,080.08, 34,609.59 and 13,749.33 is: 18,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,080.08 : 34,609.59 = 13,749.33 : x
  2. Step 2: Convert to fraction form
    25,080.08/34,609.59 = 13,749.33/x
  3. Step 3: Cross multiply
    25,080.08x = 34,609.59 × 13,749.33
  4. Step 4: Simplify right side
    25,080.08x = 475,858,674.07
  5. Step 5: Solve for x
    x = 475,858,674.07/25,080.08
  6. Step 6: Final answer
    x = 18,973.57

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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.