Home / 25,174.16-34,739.77-13,688.82

Finding the Fourth Proportional to 25,174.16, 34,739.77 and 13,688.82

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Solution

The fourth proportional to 25,174.16, 34,739.77 and 13,688.82 is: 18,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,174.16 : 34,739.77 = 13,688.82 : x
  2. Step 2: Convert to fraction form
    25,174.16/34,739.77 = 13,688.82/x
  3. Step 3: Cross multiply
    25,174.16x = 34,739.77 × 13,688.82
  4. Step 4: Simplify right side
    25,174.16x = 475,546,458.37
  5. Step 5: Solve for x
    x = 475,546,458.37/25,174.16
  6. Step 6: Final answer
    x = 18,890.26

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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.