Home / 25,378.22-38,066.45-6,658.11

Finding the Fourth Proportional to 25,378.22, 38,066.45 and 6,658.11

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Solution

The fourth proportional to 25,378.22, 38,066.45 and 6,658.11 is: 9,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.22 : 38,066.45 = 6,658.11 : x
  2. Step 2: Convert to fraction form
    25,378.22/38,066.45 = 6,658.11/x
  3. Step 3: Cross multiply
    25,378.22x = 38,066.45 × 6,658.11
  4. Step 4: Simplify right side
    25,378.22x = 253,450,611.41
  5. Step 5: Solve for x
    x = 253,450,611.41/25,378.22
  6. Step 6: Final answer
    x = 9,986.93

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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.