Home / 16,115.99-22,241.40-8,946.57

Finding the Fourth Proportional to 16,115.99, 22,241.40 and 8,946.57

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Solution

The fourth proportional to 16,115.99, 22,241.40 and 8,946.57 is: 12,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.99 : 22,241.40 = 8,946.57 : x
  2. Step 2: Convert to fraction form
    16,115.99/22,241.40 = 8,946.57/x
  3. Step 3: Cross multiply
    16,115.99x = 22,241.40 × 8,946.57
  4. Step 4: Simplify right side
    16,115.99x = 198,984,242.00
  5. Step 5: Solve for x
    x = 198,984,242.00/16,115.99
  6. Step 6: Final answer
    x = 12,347.01

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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.