Home / 11,423.25-17,042.72-10,176.66

Finding the Fourth Proportional to 11,423.25, 17,042.72 and 10,176.66

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Solution

The fourth proportional to 11,423.25, 17,042.72 and 10,176.66 is: 15,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.25 : 17,042.72 = 10,176.66 : x
  2. Step 2: Convert to fraction form
    11,423.25/17,042.72 = 10,176.66/x
  3. Step 3: Cross multiply
    11,423.25x = 17,042.72 × 10,176.66
  4. Step 4: Simplify right side
    11,423.25x = 173,437,916.03
  5. Step 5: Solve for x
    x = 173,437,916.03/11,423.25
  6. Step 6: Final answer
    x = 15,182.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.