Home / 30,591.48-45,903.93-11,872.25

Finding the Fourth Proportional to 30,591.48, 45,903.93 and 11,872.25

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Solution

The fourth proportional to 30,591.48, 45,903.93 and 11,872.25 is: 17,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591.48 : 45,903.93 = 11,872.25 : x
  2. Step 2: Convert to fraction form
    30,591.48/45,903.93 = 11,872.25/x
  3. Step 3: Cross multiply
    30,591.48x = 45,903.93 × 11,872.25
  4. Step 4: Simplify right side
    30,591.48x = 544,982,644.06
  5. Step 5: Solve for x
    x = 544,982,644.06/30,591.48
  6. Step 6: Final answer
    x = 17,814.85

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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.