Home / 15,427.28-23,123.64-7,202

Finding the Fourth Proportional to 15,427.28, 23,123.64 and 7,202

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Solution

The fourth proportional to 15,427.28, 23,123.64 and 7,202 is: 10,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.28 : 23,123.64 = 7,202 : x
  2. Step 2: Convert to fraction form
    15,427.28/23,123.64 = 7,202/x
  3. Step 3: Cross multiply
    15,427.28x = 23,123.64 × 7,202
  4. Step 4: Simplify right side
    15,427.28x = 166,536,455.28
  5. Step 5: Solve for x
    x = 166,536,455.28/15,427.28
  6. Step 6: Final answer
    x = 10,794.93

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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.