Home / 13,322.76-18,374.13-8,016.59

Finding the Fourth Proportional to 13,322.76, 18,374.13 and 8,016.59

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Solution

The fourth proportional to 13,322.76, 18,374.13 and 8,016.59 is: 11,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.76 : 18,374.13 = 8,016.59 : x
  2. Step 2: Convert to fraction form
    13,322.76/18,374.13 = 8,016.59/x
  3. Step 3: Cross multiply
    13,322.76x = 18,374.13 × 8,016.59
  4. Step 4: Simplify right side
    13,322.76x = 147,297,866.82
  5. Step 5: Solve for x
    x = 147,297,866.82/13,322.76
  6. Step 6: Final answer
    x = 11,056.11

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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.