Home / 19,434.12-29,157.41-6,945.67

Finding the Fourth Proportional to 19,434.12, 29,157.41 and 6,945.67

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Solution

The fourth proportional to 19,434.12, 29,157.41 and 6,945.67 is: 10,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.12 : 29,157.41 = 6,945.67 : x
  2. Step 2: Convert to fraction form
    19,434.12/29,157.41 = 6,945.67/x
  3. Step 3: Cross multiply
    19,434.12x = 29,157.41 × 6,945.67
  4. Step 4: Simplify right side
    19,434.12x = 202,517,747.91
  5. Step 5: Solve for x
    x = 202,517,747.91/19,434.12
  6. Step 6: Final answer
    x = 10,420.73

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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.