Home / 15,617.88-23,436.54-6,860.16

Finding the Fourth Proportional to 15,617.88, 23,436.54 and 6,860.16

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Solution

The fourth proportional to 15,617.88, 23,436.54 and 6,860.16 is: 10,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.88 : 23,436.54 = 6,860.16 : x
  2. Step 2: Convert to fraction form
    15,617.88/23,436.54 = 6,860.16/x
  3. Step 3: Cross multiply
    15,617.88x = 23,436.54 × 6,860.16
  4. Step 4: Simplify right side
    15,617.88x = 160,778,414.25
  5. Step 5: Solve for x
    x = 160,778,414.25/15,617.88
  6. Step 6: Final answer
    x = 10,294.51

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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.