Home / 22,647.06-31,251.90-12,576.14

Finding the Fourth Proportional to 22,647.06, 31,251.90 and 12,576.14

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Solution

The fourth proportional to 22,647.06, 31,251.90 and 12,576.14 is: 17,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647.06 : 31,251.90 = 12,576.14 : x
  2. Step 2: Convert to fraction form
    22,647.06/31,251.90 = 12,576.14/x
  3. Step 3: Cross multiply
    22,647.06x = 31,251.90 × 12,576.14
  4. Step 4: Simplify right side
    22,647.06x = 393,028,347.80
  5. Step 5: Solve for x
    x = 393,028,347.80/22,647.06
  6. Step 6: Final answer
    x = 17,354.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.