Home / 16,056.99-22,158.10-8,887.21

Finding the Fourth Proportional to 16,056.99, 22,158.10 and 8,887.21

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Solution

The fourth proportional to 16,056.99, 22,158.10 and 8,887.21 is: 12,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,056.99 : 22,158.10 = 8,887.21 : x
  2. Step 2: Convert to fraction form
    16,056.99/22,158.10 = 8,887.21/x
  3. Step 3: Cross multiply
    16,056.99x = 22,158.10 × 8,887.21
  4. Step 4: Simplify right side
    16,056.99x = 196,923,687.90
  5. Step 5: Solve for x
    x = 196,923,687.90/16,056.99
  6. Step 6: Final answer
    x = 12,264.05

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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.