Home / 13,132.18-19,701.20-4,812.02

Finding the Fourth Proportional to 13,132.18, 19,701.20 and 4,812.02

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Solution

The fourth proportional to 13,132.18, 19,701.20 and 4,812.02 is: 7,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.18 : 19,701.20 = 4,812.02 : x
  2. Step 2: Convert to fraction form
    13,132.18/19,701.20 = 4,812.02/x
  3. Step 3: Cross multiply
    13,132.18x = 19,701.20 × 4,812.02
  4. Step 4: Simplify right side
    13,132.18x = 94,802,568.42
  5. Step 5: Solve for x
    x = 94,802,568.42/13,132.18
  6. Step 6: Final answer
    x = 7,219.10

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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.