Home / 15,972.40-23,958.60-7,224.40

Finding the Fourth Proportional to 15,972.40, 23,958.60 and 7,224.40

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Solution

The fourth proportional to 15,972.40, 23,958.60 and 7,224.40 is: 10,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.40 : 23,958.60 = 7,224.40 : x
  2. Step 2: Convert to fraction form
    15,972.40/23,958.60 = 7,224.40/x
  3. Step 3: Cross multiply
    15,972.40x = 23,958.60 × 7,224.40
  4. Step 4: Simplify right side
    15,972.40x = 173,086,509.84
  5. Step 5: Solve for x
    x = 173,086,509.84/15,972.40
  6. Step 6: Final answer
    x = 10,836.60

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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.