Home / 17,531.18-26,312.70-9,216.80

Finding the Fourth Proportional to 17,531.18, 26,312.70 and 9,216.80

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Solution

The fourth proportional to 17,531.18, 26,312.70 and 9,216.80 is: 13,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,531.18 : 26,312.70 = 9,216.80 : x
  2. Step 2: Convert to fraction form
    17,531.18/26,312.70 = 9,216.80/x
  3. Step 3: Cross multiply
    17,531.18x = 26,312.70 × 9,216.80
  4. Step 4: Simplify right side
    17,531.18x = 242,518,893.36
  5. Step 5: Solve for x
    x = 242,518,893.36/17,531.18
  6. Step 6: Final answer
    x = 13,833.57

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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.