Home / 15,964.92-23,947.39-4,871.67

Finding the Fourth Proportional to 15,964.92, 23,947.39 and 4,871.67

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Solution

The fourth proportional to 15,964.92, 23,947.39 and 4,871.67 is: 7,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.92 : 23,947.39 = 4,871.67 : x
  2. Step 2: Convert to fraction form
    15,964.92/23,947.39 = 4,871.67/x
  3. Step 3: Cross multiply
    15,964.92x = 23,947.39 × 4,871.67
  4. Step 4: Simplify right side
    15,964.92x = 116,663,769.26
  5. Step 5: Solve for x
    x = 116,663,769.26/15,964.92
  6. Step 6: Final answer
    x = 7,307.51

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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.