Home / 16,898.05-25,316.70-8,113.60

Finding the Fourth Proportional to 16,898.05, 25,316.70 and 8,113.60

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Solution

The fourth proportional to 16,898.05, 25,316.70 and 8,113.60 is: 12,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.05 : 25,316.70 = 8,113.60 : x
  2. Step 2: Convert to fraction form
    16,898.05/25,316.70 = 8,113.60/x
  3. Step 3: Cross multiply
    16,898.05x = 25,316.70 × 8,113.60
  4. Step 4: Simplify right side
    16,898.05x = 205,409,577.12
  5. Step 5: Solve for x
    x = 205,409,577.12/16,898.05
  6. Step 6: Final answer
    x = 12,155.82

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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.