Home / 16,129.98-22,259.61-9,057.06

Finding the Fourth Proportional to 16,129.98, 22,259.61 and 9,057.06

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Solution

The fourth proportional to 16,129.98, 22,259.61 and 9,057.06 is: 12,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.98 : 22,259.61 = 9,057.06 : x
  2. Step 2: Convert to fraction form
    16,129.98/22,259.61 = 9,057.06/x
  3. Step 3: Cross multiply
    16,129.98x = 22,259.61 × 9,057.06
  4. Step 4: Simplify right side
    16,129.98x = 201,606,623.35
  5. Step 5: Solve for x
    x = 201,606,623.35/16,129.98
  6. Step 6: Final answer
    x = 12,498.88

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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.