Home / 14,511.20-20,018.34-9,473.09

Finding the Fourth Proportional to 14,511.20, 20,018.34 and 9,473.09

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Solution

The fourth proportional to 14,511.20, 20,018.34 and 9,473.09 is: 13,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.20 : 20,018.34 = 9,473.09 : x
  2. Step 2: Convert to fraction form
    14,511.20/20,018.34 = 9,473.09/x
  3. Step 3: Cross multiply
    14,511.20x = 20,018.34 × 9,473.09
  4. Step 4: Simplify right side
    14,511.20x = 189,635,536.47
  5. Step 5: Solve for x
    x = 189,635,536.47/14,511.20
  6. Step 6: Final answer
    x = 13,068.22

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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.