Home / 17,687.61-26,522.28-5,206.02

Finding the Fourth Proportional to 17,687.61, 26,522.28 and 5,206.02

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Solution

The fourth proportional to 17,687.61, 26,522.28 and 5,206.02 is: 7,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.61 : 26,522.28 = 5,206.02 : x
  2. Step 2: Convert to fraction form
    17,687.61/26,522.28 = 5,206.02/x
  3. Step 3: Cross multiply
    17,687.61x = 26,522.28 × 5,206.02
  4. Step 4: Simplify right side
    17,687.61x = 138,075,520.13
  5. Step 5: Solve for x
    x = 138,075,520.13/17,687.61
  6. Step 6: Final answer
    x = 7,806.34

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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.