Home / 18,256.60-27,374.43-7,150.28

Finding the Fourth Proportional to 18,256.60, 27,374.43 and 7,150.28

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Solution

The fourth proportional to 18,256.60, 27,374.43 and 7,150.28 is: 10,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.60 : 27,374.43 = 7,150.28 : x
  2. Step 2: Convert to fraction form
    18,256.60/27,374.43 = 7,150.28/x
  3. Step 3: Cross multiply
    18,256.60x = 27,374.43 × 7,150.28
  4. Step 4: Simplify right side
    18,256.60x = 195,734,839.34
  5. Step 5: Solve for x
    x = 195,734,839.34/18,256.60
  6. Step 6: Final answer
    x = 10,721.32

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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.