Home / 15,107.19-20,846.42-9,055.83

Finding the Fourth Proportional to 15,107.19, 20,846.42 and 9,055.83

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Solution

The fourth proportional to 15,107.19, 20,846.42 and 9,055.83 is: 12,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.19 : 20,846.42 = 9,055.83 : x
  2. Step 2: Convert to fraction form
    15,107.19/20,846.42 = 9,055.83/x
  3. Step 3: Cross multiply
    15,107.19x = 20,846.42 × 9,055.83
  4. Step 4: Simplify right side
    15,107.19x = 188,781,635.63
  5. Step 5: Solve for x
    x = 188,781,635.63/15,107.19
  6. Step 6: Final answer
    x = 12,496.14

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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.