Home / 25,213.95-37,820.93-7,683.79

Finding the Fourth Proportional to 25,213.95, 37,820.93 and 7,683.79

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Solution

The fourth proportional to 25,213.95, 37,820.93 and 7,683.79 is: 11,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,213.95 : 37,820.93 = 7,683.79 : x
  2. Step 2: Convert to fraction form
    25,213.95/37,820.93 = 7,683.79/x
  3. Step 3: Cross multiply
    25,213.95x = 37,820.93 × 7,683.79
  4. Step 4: Simplify right side
    25,213.95x = 290,608,083.72
  5. Step 5: Solve for x
    x = 290,608,083.72/25,213.95
  6. Step 6: Final answer
    x = 11,525.69

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.