Home / 13,173.90-19,766.70-6,932.40

Finding the Fourth Proportional to 13,173.90, 19,766.70 and 6,932.40

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Solution

The fourth proportional to 13,173.90, 19,766.70 and 6,932.40 is: 10,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.90 : 19,766.70 = 6,932.40 : x
  2. Step 2: Convert to fraction form
    13,173.90/19,766.70 = 6,932.40/x
  3. Step 3: Cross multiply
    13,173.90x = 19,766.70 × 6,932.40
  4. Step 4: Simplify right side
    13,173.90x = 137,030,671.08
  5. Step 5: Solve for x
    x = 137,030,671.08/13,173.90
  6. Step 6: Final answer
    x = 10,401.68

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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.