Home / 14,176.34-21,257.41-8,255.17

Finding the Fourth Proportional to 14,176.34, 21,257.41 and 8,255.17

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Solution

The fourth proportional to 14,176.34, 21,257.41 and 8,255.17 is: 12,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.34 : 21,257.41 = 8,255.17 : x
  2. Step 2: Convert to fraction form
    14,176.34/21,257.41 = 8,255.17/x
  3. Step 3: Cross multiply
    14,176.34x = 21,257.41 × 8,255.17
  4. Step 4: Simplify right side
    14,176.34x = 175,483,533.31
  5. Step 5: Solve for x
    x = 175,483,533.31/14,176.34
  6. Step 6: Final answer
    x = 12,378.62

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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.