Home / 12,532.50-18,798.75-4,324.50

Finding the Fourth Proportional to 12,532.50, 18,798.75 and 4,324.50

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Solution

The fourth proportional to 12,532.50, 18,798.75 and 4,324.50 is: 6,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.50 : 18,798.75 = 4,324.50 : x
  2. Step 2: Convert to fraction form
    12,532.50/18,798.75 = 4,324.50/x
  3. Step 3: Cross multiply
    12,532.50x = 18,798.75 × 4,324.50
  4. Step 4: Simplify right side
    12,532.50x = 81,295,194.38
  5. Step 5: Solve for x
    x = 81,295,194.38/12,532.50
  6. Step 6: Final answer
    x = 6,486.75

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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.