Home / 18,717.48-25,829.22-10,219.92

Finding the Fourth Proportional to 18,717.48, 25,829.22 and 10,219.92

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Solution

The fourth proportional to 18,717.48, 25,829.22 and 10,219.92 is: 14,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.48 : 25,829.22 = 10,219.92 : x
  2. Step 2: Convert to fraction form
    18,717.48/25,829.22 = 10,219.92/x
  3. Step 3: Cross multiply
    18,717.48x = 25,829.22 × 10,219.92
  4. Step 4: Simplify right side
    18,717.48x = 263,972,562.06
  5. Step 5: Solve for x
    x = 263,972,562.06/18,717.48
  6. Step 6: Final answer
    x = 14,103.00

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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.