Home / 17,631.95-26,420.58-10,218.02

Finding the Fourth Proportional to 17,631.95, 26,420.58 and 10,218.02

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Solution

The fourth proportional to 17,631.95, 26,420.58 and 10,218.02 is: 15,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.95 : 26,420.58 = 10,218.02 : x
  2. Step 2: Convert to fraction form
    17,631.95/26,420.58 = 10,218.02/x
  3. Step 3: Cross multiply
    17,631.95x = 26,420.58 × 10,218.02
  4. Step 4: Simplify right side
    17,631.95x = 269,966,014.85
  5. Step 5: Solve for x
    x = 269,966,014.85/17,631.95
  6. Step 6: Final answer
    x = 15,311.18

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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.