Home / 16,186.77-22,338.18-9,113.45

Finding the Fourth Proportional to 16,186.77, 22,338.18 and 9,113.45

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Solution

The fourth proportional to 16,186.77, 22,338.18 and 9,113.45 is: 12,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,186.77 : 22,338.18 = 9,113.45 : x
  2. Step 2: Convert to fraction form
    16,186.77/22,338.18 = 9,113.45/x
  3. Step 3: Cross multiply
    16,186.77x = 22,338.18 × 9,113.45
  4. Step 4: Simplify right side
    16,186.77x = 203,577,774.83
  5. Step 5: Solve for x
    x = 203,577,774.83/16,186.77
  6. Step 6: Final answer
    x = 12,576.80

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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.