Home / 20,531.01-30,796.45-4,948.63

Finding the Fourth Proportional to 20,531.01, 30,796.45 and 4,948.63

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Solution

The fourth proportional to 20,531.01, 30,796.45 and 4,948.63 is: 7,422.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,531.01 : 30,796.45 = 4,948.63 : x
  2. Step 2: Convert to fraction form
    20,531.01/30,796.45 = 4,948.63/x
  3. Step 3: Cross multiply
    20,531.01x = 30,796.45 × 4,948.63
  4. Step 4: Simplify right side
    20,531.01x = 152,400,236.36
  5. Step 5: Solve for x
    x = 152,400,236.36/20,531.01
  6. Step 6: Final answer
    x = 7,422.93

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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.