Home / 14,956.08-20,647.76-8,989.28

Finding the Fourth Proportional to 14,956.08, 20,647.76 and 8,989.28

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Solution

The fourth proportional to 14,956.08, 20,647.76 and 8,989.28 is: 12,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.08 : 20,647.76 = 8,989.28 : x
  2. Step 2: Convert to fraction form
    14,956.08/20,647.76 = 8,989.28/x
  3. Step 3: Cross multiply
    14,956.08x = 20,647.76 × 8,989.28
  4. Step 4: Simplify right side
    14,956.08x = 185,608,496.01
  5. Step 5: Solve for x
    x = 185,608,496.01/14,956.08
  6. Step 6: Final answer
    x = 12,410.24

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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.