Home / 17,730.51-24,472.28-11,021.21

Finding the Fourth Proportional to 17,730.51, 24,472.28 and 11,021.21

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Solution

The fourth proportional to 17,730.51, 24,472.28 and 11,021.21 is: 15,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730.51 : 24,472.28 = 11,021.21 : x
  2. Step 2: Convert to fraction form
    17,730.51/24,472.28 = 11,021.21/x
  3. Step 3: Cross multiply
    17,730.51x = 24,472.28 × 11,021.21
  4. Step 4: Simplify right side
    17,730.51x = 269,714,137.06
  5. Step 5: Solve for x
    x = 269,714,137.06/17,730.51
  6. Step 6: Final answer
    x = 15,211.87

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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.