Home / 14,730.68-20,329.08-8,443.04

Finding the Fourth Proportional to 14,730.68, 20,329.08 and 8,443.04

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Solution

The fourth proportional to 14,730.68, 20,329.08 and 8,443.04 is: 11,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.68 : 20,329.08 = 8,443.04 : x
  2. Step 2: Convert to fraction form
    14,730.68/20,329.08 = 8,443.04/x
  3. Step 3: Cross multiply
    14,730.68x = 20,329.08 × 8,443.04
  4. Step 4: Simplify right side
    14,730.68x = 171,639,235.60
  5. Step 5: Solve for x
    x = 171,639,235.60/14,730.68
  6. Step 6: Final answer
    x = 11,651.82

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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.