Home / 16,040.08-22,130.17-8,965.13

Finding the Fourth Proportional to 16,040.08, 22,130.17 and 8,965.13

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Solution

The fourth proportional to 16,040.08, 22,130.17 and 8,965.13 is: 12,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.08 : 22,130.17 = 8,965.13 : x
  2. Step 2: Convert to fraction form
    16,040.08/22,130.17 = 8,965.13/x
  3. Step 3: Cross multiply
    16,040.08x = 22,130.17 × 8,965.13
  4. Step 4: Simplify right side
    16,040.08x = 198,399,883.88
  5. Step 5: Solve for x
    x = 198,399,883.88/16,040.08
  6. Step 6: Final answer
    x = 12,369.01

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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.