Home / 23,581.56-35,355.06-20,142.84

Finding the Fourth Proportional to 23,581.56, 35,355.06 and 20,142.84

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Solution

The fourth proportional to 23,581.56, 35,355.06 and 20,142.84 is: 30,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,581.56 : 35,355.06 = 20,142.84 : x
  2. Step 2: Convert to fraction form
    23,581.56/35,355.06 = 20,142.84/x
  3. Step 3: Cross multiply
    23,581.56x = 35,355.06 × 20,142.84
  4. Step 4: Simplify right side
    23,581.56x = 712,151,316.77
  5. Step 5: Solve for x
    x = 712,151,316.77/23,581.56
  6. Step 6: Final answer
    x = 30,199.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.