Home / 20,552.29-28,360.82-11,598.58

Finding the Fourth Proportional to 20,552.29, 28,360.82 and 11,598.58

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Solution

The fourth proportional to 20,552.29, 28,360.82 and 11,598.58 is: 16,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.29 : 28,360.82 = 11,598.58 : x
  2. Step 2: Convert to fraction form
    20,552.29/28,360.82 = 11,598.58/x
  3. Step 3: Cross multiply
    20,552.29x = 28,360.82 × 11,598.58
  4. Step 4: Simplify right side
    20,552.29x = 328,945,128.24
  5. Step 5: Solve for x
    x = 328,945,128.24/20,552.29
  6. Step 6: Final answer
    x = 16,005.28

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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.