Home / 15,633.12-21,573.52-8,559.44

Finding the Fourth Proportional to 15,633.12, 21,573.52 and 8,559.44

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Solution

The fourth proportional to 15,633.12, 21,573.52 and 8,559.44 is: 11,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.12 : 21,573.52 = 8,559.44 : x
  2. Step 2: Convert to fraction form
    15,633.12/21,573.52 = 8,559.44/x
  3. Step 3: Cross multiply
    15,633.12x = 21,573.52 × 8,559.44
  4. Step 4: Simplify right side
    15,633.12x = 184,657,250.03
  5. Step 5: Solve for x
    x = 184,657,250.03/15,633.12
  6. Step 6: Final answer
    x = 11,811.93

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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.