Home / 25,615.13-38,422.70-6,895.22

Finding the Fourth Proportional to 25,615.13, 38,422.70 and 6,895.22

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Solution

The fourth proportional to 25,615.13, 38,422.70 and 6,895.22 is: 10,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.13 : 38,422.70 = 6,895.22 : x
  2. Step 2: Convert to fraction form
    25,615.13/38,422.70 = 6,895.22/x
  3. Step 3: Cross multiply
    25,615.13x = 38,422.70 × 6,895.22
  4. Step 4: Simplify right side
    25,615.13x = 264,932,794.62
  5. Step 5: Solve for x
    x = 264,932,794.62/25,615.13
  6. Step 6: Final answer
    x = 10,342.82

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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.