Home / 36,591.52-54,905.73-14,420.81

Finding the Fourth Proportional to 36,591.52, 54,905.73 and 14,420.81

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Solution

The fourth proportional to 36,591.52, 54,905.73 and 14,420.81 is: 21,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,591.52 : 54,905.73 = 14,420.81 : x
  2. Step 2: Convert to fraction form
    36,591.52/54,905.73 = 14,420.81/x
  3. Step 3: Cross multiply
    36,591.52x = 54,905.73 × 14,420.81
  4. Step 4: Simplify right side
    36,591.52x = 791,785,100.24
  5. Step 5: Solve for x
    x = 791,785,100.24/36,591.52
  6. Step 6: Final answer
    x = 21,638.49

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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.