Home / 19,760.54-29,652.50-7,289.34

Finding the Fourth Proportional to 19,760.54, 29,652.50 and 7,289.34

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Solution

The fourth proportional to 19,760.54, 29,652.50 and 7,289.34 is: 10,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.54 : 29,652.50 = 7,289.34 : x
  2. Step 2: Convert to fraction form
    19,760.54/29,652.50 = 7,289.34/x
  3. Step 3: Cross multiply
    19,760.54x = 29,652.50 × 7,289.34
  4. Step 4: Simplify right side
    19,760.54x = 216,147,172.57
  5. Step 5: Solve for x
    x = 216,147,172.57/19,760.54
  6. Step 6: Final answer
    x = 10,938.32

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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.