Home / 21,841.44-30,140.22-12,410.52

Finding the Fourth Proportional to 21,841.44, 30,140.22 and 12,410.52

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Solution

The fourth proportional to 21,841.44, 30,140.22 and 12,410.52 is: 17,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841.44 : 30,140.22 = 12,410.52 : x
  2. Step 2: Convert to fraction form
    21,841.44/30,140.22 = 12,410.52/x
  3. Step 3: Cross multiply
    21,841.44x = 30,140.22 × 12,410.52
  4. Step 4: Simplify right side
    21,841.44x = 374,055,803.11
  5. Step 5: Solve for x
    x = 374,055,803.11/21,841.44
  6. Step 6: Final answer
    x = 17,125.97

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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.