Home / 15,711.49-23,562.23-5,179.55

Finding the Fourth Proportional to 15,711.49, 23,562.23 and 5,179.55

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Solution

The fourth proportional to 15,711.49, 23,562.23 and 5,179.55 is: 7,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.49 : 23,562.23 = 5,179.55 : x
  2. Step 2: Convert to fraction form
    15,711.49/23,562.23 = 5,179.55/x
  3. Step 3: Cross multiply
    15,711.49x = 23,562.23 × 5,179.55
  4. Step 4: Simplify right side
    15,711.49x = 122,041,748.40
  5. Step 5: Solve for x
    x = 122,041,748.40/15,711.49
  6. Step 6: Final answer
    x = 7,767.67

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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.