Home / 16,957.30-23,401.13-9,403.72

Finding the Fourth Proportional to 16,957.30, 23,401.13 and 9,403.72

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Solution

The fourth proportional to 16,957.30, 23,401.13 and 9,403.72 is: 12,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.30 : 23,401.13 = 9,403.72 : x
  2. Step 2: Convert to fraction form
    16,957.30/23,401.13 = 9,403.72/x
  3. Step 3: Cross multiply
    16,957.30x = 23,401.13 × 9,403.72
  4. Step 4: Simplify right side
    16,957.30x = 220,057,660.95
  5. Step 5: Solve for x
    x = 220,057,660.95/16,957.30
  6. Step 6: Final answer
    x = 12,977.16

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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.