Home / 19,615.02-29,422.26-7,134.54

Finding the Fourth Proportional to 19,615.02, 29,422.26 and 7,134.54

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Solution

The fourth proportional to 19,615.02, 29,422.26 and 7,134.54 is: 10,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.02 : 29,422.26 = 7,134.54 : x
  2. Step 2: Convert to fraction form
    19,615.02/29,422.26 = 7,134.54/x
  3. Step 3: Cross multiply
    19,615.02x = 29,422.26 × 7,134.54
  4. Step 4: Simplify right side
    19,615.02x = 209,914,290.86
  5. Step 5: Solve for x
    x = 209,914,290.86/19,615.02
  6. Step 6: Final answer
    x = 10,701.71

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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.