Home / 18,532.40-25,548.36-11,454.80

Finding the Fourth Proportional to 18,532.40, 25,548.36 and 11,454.80

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Solution

The fourth proportional to 18,532.40, 25,548.36 and 11,454.80 is: 15,791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.40 : 25,548.36 = 11,454.80 : x
  2. Step 2: Convert to fraction form
    18,532.40/25,548.36 = 11,454.80/x
  3. Step 3: Cross multiply
    18,532.40x = 25,548.36 × 11,454.80
  4. Step 4: Simplify right side
    18,532.40x = 292,651,354.13
  5. Step 5: Solve for x
    x = 292,651,354.13/18,532.40
  6. Step 6: Final answer
    x = 15,791.34

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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.