Home / 18,588.88-25,652.48-10,205.20

Finding the Fourth Proportional to 18,588.88, 25,652.48 and 10,205.20

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Solution

The fourth proportional to 18,588.88, 25,652.48 and 10,205.20 is: 14,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.88 : 25,652.48 = 10,205.20 : x
  2. Step 2: Convert to fraction form
    18,588.88/25,652.48 = 10,205.20/x
  3. Step 3: Cross multiply
    18,588.88x = 25,652.48 × 10,205.20
  4. Step 4: Simplify right side
    18,588.88x = 261,788,688.90
  5. Step 5: Solve for x
    x = 261,788,688.90/18,588.88
  6. Step 6: Final answer
    x = 14,083.08

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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.