Home / 18,819.98-25,971.66-10,436.48

Finding the Fourth Proportional to 18,819.98, 25,971.66 and 10,436.48

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Solution

The fourth proportional to 18,819.98, 25,971.66 and 10,436.48 is: 14,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819.98 : 25,971.66 = 10,436.48 : x
  2. Step 2: Convert to fraction form
    18,819.98/25,971.66 = 10,436.48/x
  3. Step 3: Cross multiply
    18,819.98x = 25,971.66 × 10,436.48
  4. Step 4: Simplify right side
    18,819.98x = 271,052,710.16
  5. Step 5: Solve for x
    x = 271,052,710.16/18,819.98
  6. Step 6: Final answer
    x = 14,402.39

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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.