Home / 25,140.33-37,712.30-7,611.53

Finding the Fourth Proportional to 25,140.33, 37,712.30 and 7,611.53

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Solution

The fourth proportional to 25,140.33, 37,712.30 and 7,611.53 is: 11,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.33 : 37,712.30 = 7,611.53 : x
  2. Step 2: Convert to fraction form
    25,140.33/37,712.30 = 7,611.53/x
  3. Step 3: Cross multiply
    25,140.33x = 37,712.30 × 7,611.53
  4. Step 4: Simplify right side
    25,140.33x = 287,048,076.20
  5. Step 5: Solve for x
    x = 287,048,076.20/25,140.33
  6. Step 6: Final answer
    x = 11,417.83

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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.