Home / 28,865.22-43,313.22-11,335.20

Finding the Fourth Proportional to 28,865.22, 43,313.22 and 11,335.20

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Solution

The fourth proportional to 28,865.22, 43,313.22 and 11,335.20 is: 17,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.22 : 43,313.22 = 11,335.20 : x
  2. Step 2: Convert to fraction form
    28,865.22/43,313.22 = 11,335.20/x
  3. Step 3: Cross multiply
    28,865.22x = 43,313.22 × 11,335.20
  4. Step 4: Simplify right side
    28,865.22x = 490,964,011.34
  5. Step 5: Solve for x
    x = 490,964,011.34/28,865.22
  6. Step 6: Final answer
    x = 17,008.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.