Home / 15,126.14-22,669.49-7,724.36

Finding the Fourth Proportional to 15,126.14, 22,669.49 and 7,724.36

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Solution

The fourth proportional to 15,126.14, 22,669.49 and 7,724.36 is: 11,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.14 : 22,669.49 = 7,724.36 : x
  2. Step 2: Convert to fraction form
    15,126.14/22,669.49 = 7,724.36/x
  3. Step 3: Cross multiply
    15,126.14x = 22,669.49 × 7,724.36
  4. Step 4: Simplify right side
    15,126.14x = 175,107,149.81
  5. Step 5: Solve for x
    x = 175,107,149.81/15,126.14
  6. Step 6: Final answer
    x = 11,576.46

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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.