Home / 25,784.24-35,581.56-15,174.50

Finding the Fourth Proportional to 25,784.24, 35,581.56 and 15,174.50

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Solution

The fourth proportional to 25,784.24, 35,581.56 and 15,174.50 is: 20,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784.24 : 35,581.56 = 15,174.50 : x
  2. Step 2: Convert to fraction form
    25,784.24/35,581.56 = 15,174.50/x
  3. Step 3: Cross multiply
    25,784.24x = 35,581.56 × 15,174.50
  4. Step 4: Simplify right side
    25,784.24x = 539,932,382.22
  5. Step 5: Solve for x
    x = 539,932,382.22/25,784.24
  6. Step 6: Final answer
    x = 20,940.40

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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.