Home / 16,169.90-22,313.72-9,000.18

Finding the Fourth Proportional to 16,169.90, 22,313.72 and 9,000.18

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Solution

The fourth proportional to 16,169.90, 22,313.72 and 9,000.18 is: 12,419.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,169.90 : 22,313.72 = 9,000.18 : x
  2. Step 2: Convert to fraction form
    16,169.90/22,313.72 = 9,000.18/x
  3. Step 3: Cross multiply
    16,169.90x = 22,313.72 × 9,000.18
  4. Step 4: Simplify right side
    16,169.90x = 200,827,496.47
  5. Step 5: Solve for x
    x = 200,827,496.47/16,169.90
  6. Step 6: Final answer
    x = 12,419.84

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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.