Home / 25,268.78-37,892.16-13,419.96

Finding the Fourth Proportional to 25,268.78, 37,892.16 and 13,419.96

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Solution

The fourth proportional to 25,268.78, 37,892.16 and 13,419.96 is: 20,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,268.78 : 37,892.16 = 13,419.96 : x
  2. Step 2: Convert to fraction form
    25,268.78/37,892.16 = 13,419.96/x
  3. Step 3: Cross multiply
    25,268.78x = 37,892.16 × 13,419.96
  4. Step 4: Simplify right side
    25,268.78x = 508,511,271.51
  5. Step 5: Solve for x
    x = 508,511,271.51/25,268.78
  6. Step 6: Final answer
    x = 20,124.10

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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.