Home / 13,132.68-18,108.38-10,735.20

Finding the Fourth Proportional to 13,132.68, 18,108.38 and 10,735.20

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Solution

The fourth proportional to 13,132.68, 18,108.38 and 10,735.20 is: 14,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.68 : 18,108.38 = 10,735.20 : x
  2. Step 2: Convert to fraction form
    13,132.68/18,108.38 = 10,735.20/x
  3. Step 3: Cross multiply
    13,132.68x = 18,108.38 × 10,735.20
  4. Step 4: Simplify right side
    13,132.68x = 194,397,080.98
  5. Step 5: Solve for x
    x = 194,397,080.98/13,132.68
  6. Step 6: Final answer
    x = 14,802.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.