Home / 25,904.50-35,749.52-15,293.90

Finding the Fourth Proportional to 25,904.50, 35,749.52 and 15,293.90

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Solution

The fourth proportional to 25,904.50, 35,749.52 and 15,293.90 is: 21,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,904.50 : 35,749.52 = 15,293.90 : x
  2. Step 2: Convert to fraction form
    25,904.50/35,749.52 = 15,293.90/x
  3. Step 3: Cross multiply
    25,904.50x = 35,749.52 × 15,293.90
  4. Step 4: Simplify right side
    25,904.50x = 546,749,654.18
  5. Step 5: Solve for x
    x = 546,749,654.18/25,904.50
  6. Step 6: Final answer
    x = 21,106.36

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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.