Home / 17,513.40-26,247.30-7,113

Finding the Fourth Proportional to 17,513.40, 26,247.30 and 7,113

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Solution

The fourth proportional to 17,513.40, 26,247.30 and 7,113 is: 10,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,513.40 : 26,247.30 = 7,113 : x
  2. Step 2: Convert to fraction form
    17,513.40/26,247.30 = 7,113/x
  3. Step 3: Cross multiply
    17,513.40x = 26,247.30 × 7,113
  4. Step 4: Simplify right side
    17,513.40x = 186,697,044.90
  5. Step 5: Solve for x
    x = 186,697,044.90/17,513.40
  6. Step 6: Final answer
    x = 10,660.24

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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.