Home / 15,126.45-22,669.96-7,724.67

Finding the Fourth Proportional to 15,126.45, 22,669.96 and 7,724.67

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Solution

The fourth proportional to 15,126.45, 22,669.96 and 7,724.67 is: 11,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.45 : 22,669.96 = 7,724.67 : x
  2. Step 2: Convert to fraction form
    15,126.45/22,669.96 = 7,724.67/x
  3. Step 3: Cross multiply
    15,126.45x = 22,669.96 × 7,724.67
  4. Step 4: Simplify right side
    15,126.45x = 175,117,959.91
  5. Step 5: Solve for x
    x = 175,117,959.91/15,126.45
  6. Step 6: Final answer
    x = 11,576.94

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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.