Home / 15,625.67-21,563.28-8,552.07

Finding the Fourth Proportional to 15,625.67, 21,563.28 and 8,552.07

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Solution

The fourth proportional to 15,625.67, 21,563.28 and 8,552.07 is: 11,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.67 : 21,563.28 = 8,552.07 : x
  2. Step 2: Convert to fraction form
    15,625.67/21,563.28 = 8,552.07/x
  3. Step 3: Cross multiply
    15,625.67x = 21,563.28 × 8,552.07
  4. Step 4: Simplify right side
    15,625.67x = 184,410,679.99
  5. Step 5: Solve for x
    x = 184,410,679.99/15,625.67
  6. Step 6: Final answer
    x = 11,801.78

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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.