Home / 20,659.23-30,980.63-7,504.41

Finding the Fourth Proportional to 20,659.23, 30,980.63 and 7,504.41

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Solution

The fourth proportional to 20,659.23, 30,980.63 and 7,504.41 is: 11,253.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659.23 : 30,980.63 = 7,504.41 : x
  2. Step 2: Convert to fraction form
    20,659.23/30,980.63 = 7,504.41/x
  3. Step 3: Cross multiply
    20,659.23x = 30,980.63 × 7,504.41
  4. Step 4: Simplify right side
    20,659.23x = 232,491,312.06
  5. Step 5: Solve for x
    x = 232,491,312.06/20,659.23
  6. Step 6: Final answer
    x = 11,253.63

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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.