Home / 13,162.29-19,746.66-9,274.29

Finding the Fourth Proportional to 13,162.29, 19,746.66 and 9,274.29

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Solution

The fourth proportional to 13,162.29, 19,746.66 and 9,274.29 is: 13,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162.29 : 19,746.66 = 9,274.29 : x
  2. Step 2: Convert to fraction form
    13,162.29/19,746.66 = 9,274.29/x
  3. Step 3: Cross multiply
    13,162.29x = 19,746.66 × 9,274.29
  4. Step 4: Simplify right side
    13,162.29x = 183,136,251.37
  5. Step 5: Solve for x
    x = 183,136,251.37/13,162.29
  6. Step 6: Final answer
    x = 13,913.71

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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.