Home / 14,730.32-20,328.32-8,443.88

Finding the Fourth Proportional to 14,730.32, 20,328.32 and 8,443.88

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Solution

The fourth proportional to 14,730.32, 20,328.32 and 8,443.88 is: 11,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.32 : 20,328.32 = 8,443.88 : x
  2. Step 2: Convert to fraction form
    14,730.32/20,328.32 = 8,443.88/x
  3. Step 3: Cross multiply
    14,730.32x = 20,328.32 × 8,443.88
  4. Step 4: Simplify right side
    14,730.32x = 171,649,894.68
  5. Step 5: Solve for x
    x = 171,649,894.68/14,730.32
  6. Step 6: Final answer
    x = 11,652.83

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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.