Home / 20,374.59-30,563.37-7,042.08

Finding the Fourth Proportional to 20,374.59, 30,563.37 and 7,042.08

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Solution

The fourth proportional to 20,374.59, 30,563.37 and 7,042.08 is: 10,563.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.59 : 30,563.37 = 7,042.08 : x
  2. Step 2: Convert to fraction form
    20,374.59/30,563.37 = 7,042.08/x
  3. Step 3: Cross multiply
    20,374.59x = 30,563.37 × 7,042.08
  4. Step 4: Simplify right side
    20,374.59x = 215,229,696.61
  5. Step 5: Solve for x
    x = 215,229,696.61/20,374.59
  6. Step 6: Final answer
    x = 10,563.63

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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.