Home / 19,542.35-29,316.60-6,391.64

Finding the Fourth Proportional to 19,542.35, 29,316.60 and 6,391.64

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Solution

The fourth proportional to 19,542.35, 29,316.60 and 6,391.64 is: 9,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.35 : 29,316.60 = 6,391.64 : x
  2. Step 2: Convert to fraction form
    19,542.35/29,316.60 = 6,391.64/x
  3. Step 3: Cross multiply
    19,542.35x = 29,316.60 × 6,391.64
  4. Step 4: Simplify right side
    19,542.35x = 187,381,006.64
  5. Step 5: Solve for x
    x = 187,381,006.64/19,542.35
  6. Step 6: Final answer
    x = 9,588.46

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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.