Home / 12,483.54-18,725.70-5,459.94

Finding the Fourth Proportional to 12,483.54, 18,725.70 and 5,459.94

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Solution

The fourth proportional to 12,483.54, 18,725.70 and 5,459.94 is: 8,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.54 : 18,725.70 = 5,459.94 : x
  2. Step 2: Convert to fraction form
    12,483.54/18,725.70 = 5,459.94/x
  3. Step 3: Cross multiply
    12,483.54x = 18,725.70 × 5,459.94
  4. Step 4: Simplify right side
    12,483.54x = 102,241,198.46
  5. Step 5: Solve for x
    x = 102,241,198.46/12,483.54
  6. Step 6: Final answer
    x = 8,190.08

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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.