Home / 25,139.22-37,708.23-6,419.42

Finding the Fourth Proportional to 25,139.22, 37,708.23 and 6,419.42

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Solution

The fourth proportional to 25,139.22, 37,708.23 and 6,419.42 is: 9,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.22 : 37,708.23 = 6,419.42 : x
  2. Step 2: Convert to fraction form
    25,139.22/37,708.23 = 6,419.42/x
  3. Step 3: Cross multiply
    25,139.22x = 37,708.23 × 6,419.42
  4. Step 4: Simplify right side
    25,139.22x = 242,064,777.29
  5. Step 5: Solve for x
    x = 242,064,777.29/25,139.22
  6. Step 6: Final answer
    x = 9,628.97

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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.