Home / 14,563.72-20,056.34-13,115.76

Finding the Fourth Proportional to 14,563.72, 20,056.34 and 13,115.76

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Solution

The fourth proportional to 14,563.72, 20,056.34 and 13,115.76 is: 18,062.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,563.72 : 20,056.34 = 13,115.76 : x
  2. Step 2: Convert to fraction form
    14,563.72/20,056.34 = 13,115.76/x
  3. Step 3: Cross multiply
    14,563.72x = 20,056.34 × 13,115.76
  4. Step 4: Simplify right side
    14,563.72x = 263,054,099.50
  5. Step 5: Solve for x
    x = 263,054,099.50/14,563.72
  6. Step 6: Final answer
    x = 18,062.29

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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.