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Finding the Fourth Proportional to 14,341.16, 19,790.94 and 8,290.94

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Solution

The fourth proportional to 14,341.16, 19,790.94 and 8,290.94 is: 11,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.16 : 19,790.94 = 8,290.94 : x
  2. Step 2: Convert to fraction form
    14,341.16/19,790.94 = 8,290.94/x
  3. Step 3: Cross multiply
    14,341.16x = 19,790.94 × 8,290.94
  4. Step 4: Simplify right side
    14,341.16x = 164,085,496.08
  5. Step 5: Solve for x
    x = 164,085,496.08/14,341.16
  6. Step 6: Final answer
    x = 11,441.58

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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.