Home / 20,551.06-28,360.59-11,598.94

Finding the Fourth Proportional to 20,551.06, 28,360.59 and 11,598.94

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Solution

The fourth proportional to 20,551.06, 28,360.59 and 11,598.94 is: 16,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,551.06 : 28,360.59 = 11,598.94 : x
  2. Step 2: Convert to fraction form
    20,551.06/28,360.59 = 11,598.94/x
  3. Step 3: Cross multiply
    20,551.06x = 28,360.59 × 11,598.94
  4. Step 4: Simplify right side
    20,551.06x = 328,952,781.77
  5. Step 5: Solve for x
    x = 328,952,781.77/20,551.06
  6. Step 6: Final answer
    x = 16,006.61

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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.