Home / 18,528.88-27,820.99-18,252.08

Finding the Fourth Proportional to 18,528.88, 27,820.99 and 18,252.08

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Solution

The fourth proportional to 18,528.88, 27,820.99 and 18,252.08 is: 27,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.88 : 27,820.99 = 18,252.08 : x
  2. Step 2: Convert to fraction form
    18,528.88/27,820.99 = 18,252.08/x
  3. Step 3: Cross multiply
    18,528.88x = 27,820.99 × 18,252.08
  4. Step 4: Simplify right side
    18,528.88x = 507,791,131.03
  5. Step 5: Solve for x
    x = 507,791,131.03/18,528.88
  6. Step 6: Final answer
    x = 27,405.39

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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.