Home / 13,459.46-18,575.82-8,154.36

Finding the Fourth Proportional to 13,459.46, 18,575.82 and 8,154.36

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Solution

The fourth proportional to 13,459.46, 18,575.82 and 8,154.36 is: 11,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.46 : 18,575.82 = 8,154.36 : x
  2. Step 2: Convert to fraction form
    13,459.46/18,575.82 = 8,154.36/x
  3. Step 3: Cross multiply
    13,459.46x = 18,575.82 × 8,154.36
  4. Step 4: Simplify right side
    13,459.46x = 151,473,923.58
  5. Step 5: Solve for x
    x = 151,473,923.58/13,459.46
  6. Step 6: Final answer
    x = 11,254.09

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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.