Home / 23,715.28-35,578.05-12,620.34

Finding the Fourth Proportional to 23,715.28, 35,578.05 and 12,620.34

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Solution

The fourth proportional to 23,715.28, 35,578.05 and 12,620.34 is: 18,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,715.28 : 35,578.05 = 12,620.34 : x
  2. Step 2: Convert to fraction form
    23,715.28/35,578.05 = 12,620.34/x
  3. Step 3: Cross multiply
    23,715.28x = 35,578.05 × 12,620.34
  4. Step 4: Simplify right side
    23,715.28x = 449,007,176.48
  5. Step 5: Solve for x
    x = 449,007,176.48/23,715.28
  6. Step 6: Final answer
    x = 18,933.24

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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.