Home / 15,673.20-23,520.60-11,294.40

Finding the Fourth Proportional to 15,673.20, 23,520.60 and 11,294.40

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Solution

The fourth proportional to 15,673.20, 23,520.60 and 11,294.40 is: 16,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.20 : 23,520.60 = 11,294.40 : x
  2. Step 2: Convert to fraction form
    15,673.20/23,520.60 = 11,294.40/x
  3. Step 3: Cross multiply
    15,673.20x = 23,520.60 × 11,294.40
  4. Step 4: Simplify right side
    15,673.20x = 265,651,064.64
  5. Step 5: Solve for x
    x = 265,651,064.64/15,673.20
  6. Step 6: Final answer
    x = 16,949.38

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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.