Home / 13,002.12-19,510.20-7,452

Finding the Fourth Proportional to 13,002.12, 19,510.20 and 7,452

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Solution

The fourth proportional to 13,002.12, 19,510.20 and 7,452 is: 11,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002.12 : 19,510.20 = 7,452 : x
  2. Step 2: Convert to fraction form
    13,002.12/19,510.20 = 7,452/x
  3. Step 3: Cross multiply
    13,002.12x = 19,510.20 × 7,452
  4. Step 4: Simplify right side
    13,002.12x = 145,390,010.40
  5. Step 5: Solve for x
    x = 145,390,010.40/13,002.12
  6. Step 6: Final answer
    x = 11,182.02

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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.