Home / 12,020.16-18,032.34-5,791.41

Finding the Fourth Proportional to 12,020.16, 18,032.34 and 5,791.41

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Solution

The fourth proportional to 12,020.16, 18,032.34 and 5,791.41 is: 8,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.16 : 18,032.34 = 5,791.41 : x
  2. Step 2: Convert to fraction form
    12,020.16/18,032.34 = 5,791.41/x
  3. Step 3: Cross multiply
    12,020.16x = 18,032.34 × 5,791.41
  4. Step 4: Simplify right side
    12,020.16x = 104,432,674.20
  5. Step 5: Solve for x
    x = 104,432,674.20/12,020.16
  6. Step 6: Final answer
    x = 8,688.13

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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.