Home / 17,734.20-26,607.42-7,880.40

Finding the Fourth Proportional to 17,734.20, 26,607.42 and 7,880.40

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Solution

The fourth proportional to 17,734.20, 26,607.42 and 7,880.40 is: 11,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,734.20 : 26,607.42 = 7,880.40 : x
  2. Step 2: Convert to fraction form
    17,734.20/26,607.42 = 7,880.40/x
  3. Step 3: Cross multiply
    17,734.20x = 26,607.42 × 7,880.40
  4. Step 4: Simplify right side
    17,734.20x = 209,677,112.57
  5. Step 5: Solve for x
    x = 209,677,112.57/17,734.20
  6. Step 6: Final answer
    x = 11,823.32

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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.