Home / 15,836.15-21,850.48-9,548.39

Finding the Fourth Proportional to 15,836.15, 21,850.48 and 9,548.39

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Solution

The fourth proportional to 15,836.15, 21,850.48 and 9,548.39 is: 13,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.15 : 21,850.48 = 9,548.39 : x
  2. Step 2: Convert to fraction form
    15,836.15/21,850.48 = 9,548.39/x
  3. Step 3: Cross multiply
    15,836.15x = 21,850.48 × 9,548.39
  4. Step 4: Simplify right side
    15,836.15x = 208,636,904.73
  5. Step 5: Solve for x
    x = 208,636,904.73/15,836.15
  6. Step 6: Final answer
    x = 13,174.72

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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.