Home / 25,150.48-37,720.20-7,615.60

Finding the Fourth Proportional to 25,150.48, 37,720.20 and 7,615.60

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Solution

The fourth proportional to 25,150.48, 37,720.20 and 7,615.60 is: 11,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.48 : 37,720.20 = 7,615.60 : x
  2. Step 2: Convert to fraction form
    25,150.48/37,720.20 = 7,615.60/x
  3. Step 3: Cross multiply
    25,150.48x = 37,720.20 × 7,615.60
  4. Step 4: Simplify right side
    25,150.48x = 287,261,955.12
  5. Step 5: Solve for x
    x = 287,261,955.12/25,150.48
  6. Step 6: Final answer
    x = 11,421.73

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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.