Home / 14,856.96-20,503.03-8,143.02

Finding the Fourth Proportional to 14,856.96, 20,503.03 and 8,143.02

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Solution

The fourth proportional to 14,856.96, 20,503.03 and 8,143.02 is: 11,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,856.96 : 20,503.03 = 8,143.02 : x
  2. Step 2: Convert to fraction form
    14,856.96/20,503.03 = 8,143.02/x
  3. Step 3: Cross multiply
    14,856.96x = 20,503.03 × 8,143.02
  4. Step 4: Simplify right side
    14,856.96x = 166,956,583.35
  5. Step 5: Solve for x
    x = 166,956,583.35/14,856.96
  6. Step 6: Final answer
    x = 11,237.60

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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.