Home / 13,836.72-19,095.12-7,549.44

Finding the Fourth Proportional to 13,836.72, 19,095.12 and 7,549.44

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Solution

The fourth proportional to 13,836.72, 19,095.12 and 7,549.44 is: 10,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.72 : 19,095.12 = 7,549.44 : x
  2. Step 2: Convert to fraction form
    13,836.72/19,095.12 = 7,549.44/x
  3. Step 3: Cross multiply
    13,836.72x = 19,095.12 × 7,549.44
  4. Step 4: Simplify right side
    13,836.72x = 144,157,462.73
  5. Step 5: Solve for x
    x = 144,157,462.73/13,836.72
  6. Step 6: Final answer
    x = 10,418.47

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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.