Home / 14,415.20-19,892.60-8,041.98

Finding the Fourth Proportional to 14,415.20, 19,892.60 and 8,041.98

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Solution

The fourth proportional to 14,415.20, 19,892.60 and 8,041.98 is: 11,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.20 : 19,892.60 = 8,041.98 : x
  2. Step 2: Convert to fraction form
    14,415.20/19,892.60 = 8,041.98/x
  3. Step 3: Cross multiply
    14,415.20x = 19,892.60 × 8,041.98
  4. Step 4: Simplify right side
    14,415.20x = 159,975,891.35
  5. Step 5: Solve for x
    x = 159,975,891.35/14,415.20
  6. Step 6: Final answer
    x = 11,097.72

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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.