Home / 13,446.38-20,155.80-4,674.08

Finding the Fourth Proportional to 13,446.38, 20,155.80 and 4,674.08

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Solution

The fourth proportional to 13,446.38, 20,155.80 and 4,674.08 is: 7,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.38 : 20,155.80 = 4,674.08 : x
  2. Step 2: Convert to fraction form
    13,446.38/20,155.80 = 4,674.08/x
  3. Step 3: Cross multiply
    13,446.38x = 20,155.80 × 4,674.08
  4. Step 4: Simplify right side
    13,446.38x = 94,209,821.66
  5. Step 5: Solve for x
    x = 94,209,821.66/13,446.38
  6. Step 6: Final answer
    x = 7,006.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.