Home / 17,390.43-26,068.50-11,132.64

Finding the Fourth Proportional to 17,390.43, 26,068.50 and 11,132.64

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Solution

The fourth proportional to 17,390.43, 26,068.50 and 11,132.64 is: 16,687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.43 : 26,068.50 = 11,132.64 : x
  2. Step 2: Convert to fraction form
    17,390.43/26,068.50 = 11,132.64/x
  3. Step 3: Cross multiply
    17,390.43x = 26,068.50 × 11,132.64
  4. Step 4: Simplify right side
    17,390.43x = 290,211,225.84
  5. Step 5: Solve for x
    x = 290,211,225.84/17,390.43
  6. Step 6: Final answer
    x = 16,687.98

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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.