Home / 13,635.19-18,817.98-8,333.54

Finding the Fourth Proportional to 13,635.19, 18,817.98 and 8,333.54

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Solution

The fourth proportional to 13,635.19, 18,817.98 and 8,333.54 is: 11,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.19 : 18,817.98 = 8,333.54 : x
  2. Step 2: Convert to fraction form
    13,635.19/18,817.98 = 8,333.54/x
  3. Step 3: Cross multiply
    13,635.19x = 18,817.98 × 8,333.54
  4. Step 4: Simplify right side
    13,635.19x = 156,820,389.05
  5. Step 5: Solve for x
    x = 156,820,389.05/13,635.19
  6. Step 6: Final answer
    x = 11,501.15

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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.