Home / 16,166.56-22,312.60-11,939.58

Finding the Fourth Proportional to 16,166.56, 22,312.60 and 11,939.58

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Solution

The fourth proportional to 16,166.56, 22,312.60 and 11,939.58 is: 16,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,166.56 : 22,312.60 = 11,939.58 : x
  2. Step 2: Convert to fraction form
    16,166.56/22,312.60 = 11,939.58/x
  3. Step 3: Cross multiply
    16,166.56x = 22,312.60 × 11,939.58
  4. Step 4: Simplify right side
    16,166.56x = 266,403,072.71
  5. Step 5: Solve for x
    x = 266,403,072.71/16,166.56
  6. Step 6: Final answer
    x = 16,478.65

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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.