Home / 15,721.36-23,568.28-6,355.60

Finding the Fourth Proportional to 15,721.36, 23,568.28 and 6,355.60

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Solution

The fourth proportional to 15,721.36, 23,568.28 and 6,355.60 is: 9,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.36 : 23,568.28 = 6,355.60 : x
  2. Step 2: Convert to fraction form
    15,721.36/23,568.28 = 6,355.60/x
  3. Step 3: Cross multiply
    15,721.36x = 23,568.28 × 6,355.60
  4. Step 4: Simplify right side
    15,721.36x = 149,790,560.37
  5. Step 5: Solve for x
    x = 149,790,560.37/15,721.36
  6. Step 6: Final answer
    x = 9,527.84

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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.