Home / 31,614.82-47,425.41-9,126.07

Finding the Fourth Proportional to 31,614.82, 47,425.41 and 9,126.07

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Solution

The fourth proportional to 31,614.82, 47,425.41 and 9,126.07 is: 13,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,614.82 : 47,425.41 = 9,126.07 : x
  2. Step 2: Convert to fraction form
    31,614.82/47,425.41 = 9,126.07/x
  3. Step 3: Cross multiply
    31,614.82x = 47,425.41 × 9,126.07
  4. Step 4: Simplify right side
    31,614.82x = 432,807,492.88
  5. Step 5: Solve for x
    x = 432,807,492.88/31,614.82
  6. Step 6: Final answer
    x = 13,690.02

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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.