Home / 13,241.32-18,276.17-7,579.33

Finding the Fourth Proportional to 13,241.32, 18,276.17 and 7,579.33

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Solution

The fourth proportional to 13,241.32, 18,276.17 and 7,579.33 is: 10,461.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.32 : 18,276.17 = 7,579.33 : x
  2. Step 2: Convert to fraction form
    13,241.32/18,276.17 = 7,579.33/x
  3. Step 3: Cross multiply
    13,241.32x = 18,276.17 × 7,579.33
  4. Step 4: Simplify right side
    13,241.32x = 138,520,994.29
  5. Step 5: Solve for x
    x = 138,520,994.29/13,241.32
  6. Step 6: Final answer
    x = 10,461.27

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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.