Home / 15,633.03-21,573.09-8,559.03

Finding the Fourth Proportional to 15,633.03, 21,573.09 and 8,559.03

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Solution

The fourth proportional to 15,633.03, 21,573.09 and 8,559.03 is: 11,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.03 : 21,573.09 = 8,559.03 : x
  2. Step 2: Convert to fraction form
    15,633.03/21,573.09 = 8,559.03/x
  3. Step 3: Cross multiply
    15,633.03x = 21,573.09 × 8,559.03
  4. Step 4: Simplify right side
    15,633.03x = 184,644,724.50
  5. Step 5: Solve for x
    x = 184,644,724.50/15,633.03
  6. Step 6: Final answer
    x = 11,811.19

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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.