Home / 19,938.59-29,910.84-6,425.23

Finding the Fourth Proportional to 19,938.59, 29,910.84 and 6,425.23

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Solution

The fourth proportional to 19,938.59, 29,910.84 and 6,425.23 is: 9,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.59 : 29,910.84 = 6,425.23 : x
  2. Step 2: Convert to fraction form
    19,938.59/29,910.84 = 6,425.23/x
  3. Step 3: Cross multiply
    19,938.59x = 29,910.84 × 6,425.23
  4. Step 4: Simplify right side
    19,938.59x = 192,184,154.72
  5. Step 5: Solve for x
    x = 192,184,154.72/19,938.59
  6. Step 6: Final answer
    x = 9,638.80

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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.