Home / 25,176.69-37,739.11-13,486.77

Finding the Fourth Proportional to 25,176.69, 37,739.11 and 13,486.77

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Solution

The fourth proportional to 25,176.69, 37,739.11 and 13,486.77 is: 20,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.69 : 37,739.11 = 13,486.77 : x
  2. Step 2: Convert to fraction form
    25,176.69/37,739.11 = 13,486.77/x
  3. Step 3: Cross multiply
    25,176.69x = 37,739.11 × 13,486.77
  4. Step 4: Simplify right side
    25,176.69x = 508,978,474.16
  5. Step 5: Solve for x
    x = 508,978,474.16/25,176.69
  6. Step 6: Final answer
    x = 20,216.26

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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.