Home / 25,323.45-34,945.62-13,992.76

Finding the Fourth Proportional to 25,323.45, 34,945.62 and 13,992.76

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Solution

The fourth proportional to 25,323.45, 34,945.62 and 13,992.76 is: 19,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,323.45 : 34,945.62 = 13,992.76 : x
  2. Step 2: Convert to fraction form
    25,323.45/34,945.62 = 13,992.76/x
  3. Step 3: Cross multiply
    25,323.45x = 34,945.62 × 13,992.76
  4. Step 4: Simplify right side
    25,323.45x = 488,985,603.75
  5. Step 5: Solve for x
    x = 488,985,603.75/25,323.45
  6. Step 6: Final answer
    x = 19,309.60

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Double scale
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Similar ratio
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1.5x scale

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.