Home / 14,861.70-22,256.10-11,143.80

Finding the Fourth Proportional to 14,861.70, 22,256.10 and 11,143.80

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Solution

The fourth proportional to 14,861.70, 22,256.10 and 11,143.80 is: 16,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861.70 : 22,256.10 = 11,143.80 : x
  2. Step 2: Convert to fraction form
    14,861.70/22,256.10 = 11,143.80/x
  3. Step 3: Cross multiply
    14,861.70x = 22,256.10 × 11,143.80
  4. Step 4: Simplify right side
    14,861.70x = 248,017,527.18
  5. Step 5: Solve for x
    x = 248,017,527.18/14,861.70
  6. Step 6: Final answer
    x = 16,688.37

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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.