Home / 13,149.68-19,730.29-6,908.24

Finding the Fourth Proportional to 13,149.68, 19,730.29 and 6,908.24

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Solution

The fourth proportional to 13,149.68, 19,730.29 and 6,908.24 is: 10,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.68 : 19,730.29 = 6,908.24 : x
  2. Step 2: Convert to fraction form
    13,149.68/19,730.29 = 6,908.24/x
  3. Step 3: Cross multiply
    13,149.68x = 19,730.29 × 6,908.24
  4. Step 4: Simplify right side
    13,149.68x = 136,301,462.67
  5. Step 5: Solve for x
    x = 136,301,462.67/13,149.68
  6. Step 6: Final answer
    x = 10,365.39

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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.