Home / 19,683.30-27,162.97-10,730.82

Finding the Fourth Proportional to 19,683.30, 27,162.97 and 10,730.82

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Solution

The fourth proportional to 19,683.30, 27,162.97 and 10,730.82 is: 14,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.30 : 27,162.97 = 10,730.82 : x
  2. Step 2: Convert to fraction form
    19,683.30/27,162.97 = 10,730.82/x
  3. Step 3: Cross multiply
    19,683.30x = 27,162.97 × 10,730.82
  4. Step 4: Simplify right side
    19,683.30x = 291,480,914.91
  5. Step 5: Solve for x
    x = 291,480,914.91/19,683.30
  6. Step 6: Final answer
    x = 14,808.54

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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.