Home / 16,203.30-22,359.24-9,128.40

Finding the Fourth Proportional to 16,203.30, 22,359.24 and 9,128.40

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Solution

The fourth proportional to 16,203.30, 22,359.24 and 9,128.40 is: 12,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,203.30 : 22,359.24 = 9,128.40 : x
  2. Step 2: Convert to fraction form
    16,203.30/22,359.24 = 9,128.40/x
  3. Step 3: Cross multiply
    16,203.30x = 22,359.24 × 9,128.40
  4. Step 4: Simplify right side
    16,203.30x = 204,104,086.42
  5. Step 5: Solve for x
    x = 204,104,086.42/16,203.30
  6. Step 6: Final answer
    x = 12,596.45

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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.