Home / 14,419.92-19,900.88-8,753.36

Finding the Fourth Proportional to 14,419.92, 19,900.88 and 8,753.36

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Solution

The fourth proportional to 14,419.92, 19,900.88 and 8,753.36 is: 12,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.92 : 19,900.88 = 8,753.36 : x
  2. Step 2: Convert to fraction form
    14,419.92/19,900.88 = 8,753.36/x
  3. Step 3: Cross multiply
    14,419.92x = 19,900.88 × 8,753.36
  4. Step 4: Simplify right side
    14,419.92x = 174,199,566.96
  5. Step 5: Solve for x
    x = 174,199,566.96/14,419.92
  6. Step 6: Final answer
    x = 12,080.48

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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.