Home / 12,833.40-19,250.10-8,896.80

Finding the Fourth Proportional to 12,833.40, 19,250.10 and 8,896.80

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Solution

The fourth proportional to 12,833.40, 19,250.10 and 8,896.80 is: 13,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833.40 : 19,250.10 = 8,896.80 : x
  2. Step 2: Convert to fraction form
    12,833.40/19,250.10 = 8,896.80/x
  3. Step 3: Cross multiply
    12,833.40x = 19,250.10 × 8,896.80
  4. Step 4: Simplify right side
    12,833.40x = 171,264,289.68
  5. Step 5: Solve for x
    x = 171,264,289.68/12,833.40
  6. Step 6: Final answer
    x = 13,345.20

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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.