Home / 19,338.10-29,009.40-6,191.80

Finding the Fourth Proportional to 19,338.10, 29,009.40 and 6,191.80

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Solution

The fourth proportional to 19,338.10, 29,009.40 and 6,191.80 is: 9,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.10 : 29,009.40 = 6,191.80 : x
  2. Step 2: Convert to fraction form
    19,338.10/29,009.40 = 6,191.80/x
  3. Step 3: Cross multiply
    19,338.10x = 29,009.40 × 6,191.80
  4. Step 4: Simplify right side
    19,338.10x = 179,620,402.92
  5. Step 5: Solve for x
    x = 179,620,402.92/19,338.10
  6. Step 6: Final answer
    x = 9,288.42

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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.