Home / 13,484.45-18,566.19-11,463.89

Finding the Fourth Proportional to 13,484.45, 18,566.19 and 11,463.89

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Solution

The fourth proportional to 13,484.45, 18,566.19 and 11,463.89 is: 15,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.45 : 18,566.19 = 11,463.89 : x
  2. Step 2: Convert to fraction form
    13,484.45/18,566.19 = 11,463.89/x
  3. Step 3: Cross multiply
    13,484.45x = 18,566.19 × 11,463.89
  4. Step 4: Simplify right side
    13,484.45x = 212,840,609.73
  5. Step 5: Solve for x
    x = 212,840,609.73/13,484.45
  6. Step 6: Final answer
    x = 15,784.16

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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.