Home / 21,746.44-30,008.57-12,055.80

Finding the Fourth Proportional to 21,746.44, 30,008.57 and 12,055.80

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Solution

The fourth proportional to 21,746.44, 30,008.57 and 12,055.80 is: 16,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.44 : 30,008.57 = 12,055.80 : x
  2. Step 2: Convert to fraction form
    21,746.44/30,008.57 = 12,055.80/x
  3. Step 3: Cross multiply
    21,746.44x = 30,008.57 × 12,055.80
  4. Step 4: Simplify right side
    21,746.44x = 361,777,441.28
  5. Step 5: Solve for x
    x = 361,777,441.28/21,746.44
  6. Step 6: Final answer
    x = 16,636.17

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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.