Home / 13,118.22-19,680.25-4,798.05

Finding the Fourth Proportional to 13,118.22, 19,680.25 and 4,798.05

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Solution

The fourth proportional to 13,118.22, 19,680.25 and 4,798.05 is: 7,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.22 : 19,680.25 = 4,798.05 : x
  2. Step 2: Convert to fraction form
    13,118.22/19,680.25 = 4,798.05/x
  3. Step 3: Cross multiply
    13,118.22x = 19,680.25 × 4,798.05
  4. Step 4: Simplify right side
    13,118.22x = 94,426,701.12
  5. Step 5: Solve for x
    x = 94,426,701.12/13,118.22
  6. Step 6: Final answer
    x = 7,198.14

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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.