Home / 14,818.56-20,457.05-11,453.77

Finding the Fourth Proportional to 14,818.56, 20,457.05 and 11,453.77

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Solution

The fourth proportional to 14,818.56, 20,457.05 and 11,453.77 is: 15,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.56 : 20,457.05 = 11,453.77 : x
  2. Step 2: Convert to fraction form
    14,818.56/20,457.05 = 11,453.77/x
  3. Step 3: Cross multiply
    14,818.56x = 20,457.05 × 11,453.77
  4. Step 4: Simplify right side
    14,818.56x = 234,310,316.94
  5. Step 5: Solve for x
    x = 234,310,316.94/14,818.56
  6. Step 6: Final answer
    x = 15,811.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.