Home / 14,639.80-20,203.68-8,352.04

Finding the Fourth Proportional to 14,639.80, 20,203.68 and 8,352.04

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Solution

The fourth proportional to 14,639.80, 20,203.68 and 8,352.04 is: 11,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.80 : 20,203.68 = 8,352.04 : x
  2. Step 2: Convert to fraction form
    14,639.80/20,203.68 = 8,352.04/x
  3. Step 3: Cross multiply
    14,639.80x = 20,203.68 × 8,352.04
  4. Step 4: Simplify right side
    14,639.80x = 168,741,943.51
  5. Step 5: Solve for x
    x = 168,741,943.51/14,639.80
  6. Step 6: Final answer
    x = 11,526.25

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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.