Home / 33,154.01-45,741.56-18,812.45

Finding the Fourth Proportional to 33,154.01, 45,741.56 and 18,812.45

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Solution

The fourth proportional to 33,154.01, 45,741.56 and 18,812.45 is: 25,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,154.01 : 45,741.56 = 18,812.45 : x
  2. Step 2: Convert to fraction form
    33,154.01/45,741.56 = 18,812.45/x
  3. Step 3: Cross multiply
    33,154.01x = 45,741.56 × 18,812.45
  4. Step 4: Simplify right side
    33,154.01x = 860,510,936.53
  5. Step 5: Solve for x
    x = 860,510,936.53/33,154.01
  6. Step 6: Final answer
    x = 25,954.96

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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.