Home / 13,356.44-20,001.84-10,705.30

Finding the Fourth Proportional to 13,356.44, 20,001.84 and 10,705.30

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Solution

The fourth proportional to 13,356.44, 20,001.84 and 10,705.30 is: 16,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.44 : 20,001.84 = 10,705.30 : x
  2. Step 2: Convert to fraction form
    13,356.44/20,001.84 = 10,705.30/x
  3. Step 3: Cross multiply
    13,356.44x = 20,001.84 × 10,705.30
  4. Step 4: Simplify right side
    13,356.44x = 214,125,697.75
  5. Step 5: Solve for x
    x = 214,125,697.75/13,356.44
  6. Step 6: Final answer
    x = 16,031.64

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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.