Home / 12,094.49-18,135.90-9,455.31

Finding the Fourth Proportional to 12,094.49, 18,135.90 and 9,455.31

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Solution

The fourth proportional to 12,094.49, 18,135.90 and 9,455.31 is: 14,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,094.49 : 18,135.90 = 9,455.31 : x
  2. Step 2: Convert to fraction form
    12,094.49/18,135.90 = 9,455.31/x
  3. Step 3: Cross multiply
    12,094.49x = 18,135.90 × 9,455.31
  4. Step 4: Simplify right side
    12,094.49x = 171,480,556.63
  5. Step 5: Solve for x
    x = 171,480,556.63/12,094.49
  6. Step 6: Final answer
    x = 14,178.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.