Home / 16,863.48-23,271.66-9,790.20

Finding the Fourth Proportional to 16,863.48, 23,271.66 and 9,790.20

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Solution

The fourth proportional to 16,863.48, 23,271.66 and 9,790.20 is: 13,510.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.48 : 23,271.66 = 9,790.20 : x
  2. Step 2: Convert to fraction form
    16,863.48/23,271.66 = 9,790.20/x
  3. Step 3: Cross multiply
    16,863.48x = 23,271.66 × 9,790.20
  4. Step 4: Simplify right side
    16,863.48x = 227,834,205.73
  5. Step 5: Solve for x
    x = 227,834,205.73/16,863.48
  6. Step 6: Final answer
    x = 13,510.51

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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.