Home / 14,180.42-19,573.65-8,218.11

Finding the Fourth Proportional to 14,180.42, 19,573.65 and 8,218.11

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Solution

The fourth proportional to 14,180.42, 19,573.65 and 8,218.11 is: 11,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.42 : 19,573.65 = 8,218.11 : x
  2. Step 2: Convert to fraction form
    14,180.42/19,573.65 = 8,218.11/x
  3. Step 3: Cross multiply
    14,180.42x = 19,573.65 × 8,218.11
  4. Step 4: Simplify right side
    14,180.42x = 160,858,372.10
  5. Step 5: Solve for x
    x = 160,858,372.10/14,180.42
  6. Step 6: Final answer
    x = 11,343.70

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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.