Home / 19,543.88-29,318.26-6,392.72

Finding the Fourth Proportional to 19,543.88, 29,318.26 and 6,392.72

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Solution

The fourth proportional to 19,543.88, 29,318.26 and 6,392.72 is: 9,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.88 : 29,318.26 = 6,392.72 : x
  2. Step 2: Convert to fraction form
    19,543.88/29,318.26 = 6,392.72/x
  3. Step 3: Cross multiply
    19,543.88x = 29,318.26 × 6,392.72
  4. Step 4: Simplify right side
    19,543.88x = 187,423,427.07
  5. Step 5: Solve for x
    x = 187,423,427.07/19,543.88
  6. Step 6: Final answer
    x = 9,589.88

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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.