Home / 15,856.36-23,753.82-12,200.68

Finding the Fourth Proportional to 15,856.36, 23,753.82 and 12,200.68

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Solution

The fourth proportional to 15,856.36, 23,753.82 and 12,200.68 is: 18,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856.36 : 23,753.82 = 12,200.68 : x
  2. Step 2: Convert to fraction form
    15,856.36/23,753.82 = 12,200.68/x
  3. Step 3: Cross multiply
    15,856.36x = 23,753.82 × 12,200.68
  4. Step 4: Simplify right side
    15,856.36x = 289,812,756.60
  5. Step 5: Solve for x
    x = 289,812,756.60/15,856.36
  6. Step 6: Final answer
    x = 18,277.38

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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.