Home / 25,009.26-34,513.67-13,678.08

Finding the Fourth Proportional to 25,009.26, 34,513.67 and 13,678.08

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Solution

The fourth proportional to 25,009.26, 34,513.67 and 13,678.08 is: 18,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.26 : 34,513.67 = 13,678.08 : x
  2. Step 2: Convert to fraction form
    25,009.26/34,513.67 = 13,678.08/x
  3. Step 3: Cross multiply
    25,009.26x = 34,513.67 × 13,678.08
  4. Step 4: Simplify right side
    25,009.26x = 472,080,739.35
  5. Step 5: Solve for x
    x = 472,080,739.35/25,009.26
  6. Step 6: Final answer
    x = 18,876.24

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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.