Home / 17,687.90-24,402.22-11,313.02

Finding the Fourth Proportional to 17,687.90, 24,402.22 and 11,313.02

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Solution

The fourth proportional to 17,687.90, 24,402.22 and 11,313.02 is: 15,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.90 : 24,402.22 = 11,313.02 : x
  2. Step 2: Convert to fraction form
    17,687.90/24,402.22 = 11,313.02/x
  3. Step 3: Cross multiply
    17,687.90x = 24,402.22 × 11,313.02
  4. Step 4: Simplify right side
    17,687.90x = 276,062,802.90
  5. Step 5: Solve for x
    x = 276,062,802.90/17,687.90
  6. Step 6: Final answer
    x = 15,607.44

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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.