Home / 13,035.20-19,510.04-7,103.04

Finding the Fourth Proportional to 13,035.20, 19,510.04 and 7,103.04

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Solution

The fourth proportional to 13,035.20, 19,510.04 and 7,103.04 is: 10,631.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.20 : 19,510.04 = 7,103.04 : x
  2. Step 2: Convert to fraction form
    13,035.20/19,510.04 = 7,103.04/x
  3. Step 3: Cross multiply
    13,035.20x = 19,510.04 × 7,103.04
  4. Step 4: Simplify right side
    13,035.20x = 138,580,594.52
  5. Step 5: Solve for x
    x = 138,580,594.52/13,035.20
  6. Step 6: Final answer
    x = 10,631.26

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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.