Home / 43,186.14-64,776.09-13,612.44

Finding the Fourth Proportional to 43,186.14, 64,776.09 and 13,612.44

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Solution

The fourth proportional to 43,186.14, 64,776.09 and 13,612.44 is: 20,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,186.14 : 64,776.09 = 13,612.44 : x
  2. Step 2: Convert to fraction form
    43,186.14/64,776.09 = 13,612.44/x
  3. Step 3: Cross multiply
    43,186.14x = 64,776.09 × 13,612.44
  4. Step 4: Simplify right side
    43,186.14x = 881,760,638.56
  5. Step 5: Solve for x
    x = 881,760,638.56/43,186.14
  6. Step 6: Final answer
    x = 20,417.68

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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.