Home / 15,673.98-23,503.41-8,286.78

Finding the Fourth Proportional to 15,673.98, 23,503.41 and 8,286.78

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Solution

The fourth proportional to 15,673.98, 23,503.41 and 8,286.78 is: 12,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.98 : 23,503.41 = 8,286.78 : x
  2. Step 2: Convert to fraction form
    15,673.98/23,503.41 = 8,286.78/x
  3. Step 3: Cross multiply
    15,673.98x = 23,503.41 × 8,286.78
  4. Step 4: Simplify right side
    15,673.98x = 194,767,587.92
  5. Step 5: Solve for x
    x = 194,767,587.92/15,673.98
  6. Step 6: Final answer
    x = 12,426.17

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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.