Home / 16,477.38-22,740.12-9,403.62

Finding the Fourth Proportional to 16,477.38, 22,740.12 and 9,403.62

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Solution

The fourth proportional to 16,477.38, 22,740.12 and 9,403.62 is: 12,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,477.38 : 22,740.12 = 9,403.62 : x
  2. Step 2: Convert to fraction form
    16,477.38/22,740.12 = 9,403.62/x
  3. Step 3: Cross multiply
    16,477.38x = 22,740.12 × 9,403.62
  4. Step 4: Simplify right side
    16,477.38x = 213,839,447.23
  5. Step 5: Solve for x
    x = 213,839,447.23/16,477.38
  6. Step 6: Final answer
    x = 12,977.76

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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.