Home / 33,140.34-45,735.64-18,994.10

Finding the Fourth Proportional to 33,140.34, 45,735.64 and 18,994.10

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Solution

The fourth proportional to 33,140.34, 45,735.64 and 18,994.10 is: 26,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.34 : 45,735.64 = 18,994.10 : x
  2. Step 2: Convert to fraction form
    33,140.34/45,735.64 = 18,994.10/x
  3. Step 3: Cross multiply
    33,140.34x = 45,735.64 × 18,994.10
  4. Step 4: Simplify right side
    33,140.34x = 868,707,043.56
  5. Step 5: Solve for x
    x = 868,707,043.56/33,140.34
  6. Step 6: Final answer
    x = 26,212.98

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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.