Home / 13,464.10-18,581.05-11,222.22

Finding the Fourth Proportional to 13,464.10, 18,581.05 and 11,222.22

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Solution

The fourth proportional to 13,464.10, 18,581.05 and 11,222.22 is: 15,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.10 : 18,581.05 = 11,222.22 : x
  2. Step 2: Convert to fraction form
    13,464.10/18,581.05 = 11,222.22/x
  3. Step 3: Cross multiply
    13,464.10x = 18,581.05 × 11,222.22
  4. Step 4: Simplify right side
    13,464.10x = 208,520,630.93
  5. Step 5: Solve for x
    x = 208,520,630.93/13,464.10
  6. Step 6: Final answer
    x = 15,487.16

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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.