Home / 17,318.16-23,889.12-12,003.84

Finding the Fourth Proportional to 17,318.16, 23,889.12 and 12,003.84

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Solution

The fourth proportional to 17,318.16, 23,889.12 and 12,003.84 is: 16,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.16 : 23,889.12 = 12,003.84 : x
  2. Step 2: Convert to fraction form
    17,318.16/23,889.12 = 12,003.84/x
  3. Step 3: Cross multiply
    17,318.16x = 23,889.12 × 12,003.84
  4. Step 4: Simplify right side
    17,318.16x = 286,761,174.22
  5. Step 5: Solve for x
    x = 286,761,174.22/17,318.16
  6. Step 6: Final answer
    x = 16,558.41

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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.