Home / 11,423.08-17,030.56-11,135.80

Finding the Fourth Proportional to 11,423.08, 17,030.56 and 11,135.80

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Solution

The fourth proportional to 11,423.08, 17,030.56 and 11,135.80 is: 16,602.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.08 : 17,030.56 = 11,135.80 : x
  2. Step 2: Convert to fraction form
    11,423.08/17,030.56 = 11,135.80/x
  3. Step 3: Cross multiply
    11,423.08x = 17,030.56 × 11,135.80
  4. Step 4: Simplify right side
    11,423.08x = 189,648,910.05
  5. Step 5: Solve for x
    x = 189,648,910.05/11,423.08
  6. Step 6: Final answer
    x = 16,602.26

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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.