Home / 20,733.33-28,612.02-11,301.90

Finding the Fourth Proportional to 20,733.33, 28,612.02 and 11,301.90

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Solution

The fourth proportional to 20,733.33, 28,612.02 and 11,301.90 is: 15,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.33 : 28,612.02 = 11,301.90 : x
  2. Step 2: Convert to fraction form
    20,733.33/28,612.02 = 11,301.90/x
  3. Step 3: Cross multiply
    20,733.33x = 28,612.02 × 11,301.90
  4. Step 4: Simplify right side
    20,733.33x = 323,370,188.84
  5. Step 5: Solve for x
    x = 323,370,188.84/20,733.33
  6. Step 6: Final answer
    x = 15,596.64

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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.