Home / 15,748.95-21,733.24-8,675.22

Finding the Fourth Proportional to 15,748.95, 21,733.24 and 8,675.22

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Solution

The fourth proportional to 15,748.95, 21,733.24 and 8,675.22 is: 11,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.95 : 21,733.24 = 8,675.22 : x
  2. Step 2: Convert to fraction form
    15,748.95/21,733.24 = 8,675.22/x
  3. Step 3: Cross multiply
    15,748.95x = 21,733.24 × 8,675.22
  4. Step 4: Simplify right side
    15,748.95x = 188,540,638.31
  5. Step 5: Solve for x
    x = 188,540,638.31/15,748.95
  6. Step 6: Final answer
    x = 11,971.63

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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.