Home / 14,087.15-19,444.14-8,425.79

Finding the Fourth Proportional to 14,087.15, 19,444.14 and 8,425.79

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Solution

The fourth proportional to 14,087.15, 19,444.14 and 8,425.79 is: 11,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.15 : 19,444.14 = 8,425.79 : x
  2. Step 2: Convert to fraction form
    14,087.15/19,444.14 = 8,425.79/x
  3. Step 3: Cross multiply
    14,087.15x = 19,444.14 × 8,425.79
  4. Step 4: Simplify right side
    14,087.15x = 163,832,143.15
  5. Step 5: Solve for x
    x = 163,832,143.15/14,087.15
  6. Step 6: Final answer
    x = 11,629.90

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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.