Home / 16,896.40-23,316.88-9,343.20

Finding the Fourth Proportional to 16,896.40, 23,316.88 and 9,343.20

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Solution

The fourth proportional to 16,896.40, 23,316.88 and 9,343.20 is: 12,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.40 : 23,316.88 = 9,343.20 : x
  2. Step 2: Convert to fraction form
    16,896.40/23,316.88 = 9,343.20/x
  3. Step 3: Cross multiply
    16,896.40x = 23,316.88 × 9,343.20
  4. Step 4: Simplify right side
    16,896.40x = 217,854,273.22
  5. Step 5: Solve for x
    x = 217,854,273.22/16,896.40
  6. Step 6: Final answer
    x = 12,893.53

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Double scale
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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.