Home / 25,416.36-38,111.54-10,621.24

Finding the Fourth Proportional to 25,416.36, 38,111.54 and 10,621.24

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Solution

The fourth proportional to 25,416.36, 38,111.54 and 10,621.24 is: 15,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.36 : 38,111.54 = 10,621.24 : x
  2. Step 2: Convert to fraction form
    25,416.36/38,111.54 = 10,621.24/x
  3. Step 3: Cross multiply
    25,416.36x = 38,111.54 × 10,621.24
  4. Step 4: Simplify right side
    25,416.36x = 404,791,813.11
  5. Step 5: Solve for x
    x = 404,791,813.11/25,416.36
  6. Step 6: Final answer
    x = 15,926.43

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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.