Home / 19,738.12-29,609.40-6,591.40

Finding the Fourth Proportional to 19,738.12, 29,609.40 and 6,591.40

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Solution

The fourth proportional to 19,738.12, 29,609.40 and 6,591.40 is: 9,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.12 : 29,609.40 = 6,591.40 : x
  2. Step 2: Convert to fraction form
    19,738.12/29,609.40 = 6,591.40/x
  3. Step 3: Cross multiply
    19,738.12x = 29,609.40 × 6,591.40
  4. Step 4: Simplify right side
    19,738.12x = 195,167,399.16
  5. Step 5: Solve for x
    x = 195,167,399.16/19,738.12
  6. Step 6: Final answer
    x = 9,887.84

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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.