Home / 13,341.44-20,009.89-4,455.76

Finding the Fourth Proportional to 13,341.44, 20,009.89 and 4,455.76

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Solution

The fourth proportional to 13,341.44, 20,009.89 and 4,455.76 is: 6,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.44 : 20,009.89 = 4,455.76 : x
  2. Step 2: Convert to fraction form
    13,341.44/20,009.89 = 4,455.76/x
  3. Step 3: Cross multiply
    13,341.44x = 20,009.89 × 4,455.76
  4. Step 4: Simplify right side
    13,341.44x = 89,159,235.47
  5. Step 5: Solve for x
    x = 89,159,235.47/13,341.44
  6. Step 6: Final answer
    x = 6,682.88

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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.