Home / 23,318.15-32,178.39-12,707.87

Finding the Fourth Proportional to 23,318.15, 32,178.39 and 12,707.87

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Solution

The fourth proportional to 23,318.15, 32,178.39 and 12,707.87 is: 17,536.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.15 : 32,178.39 = 12,707.87 : x
  2. Step 2: Convert to fraction form
    23,318.15/32,178.39 = 12,707.87/x
  3. Step 3: Cross multiply
    23,318.15x = 32,178.39 × 12,707.87
  4. Step 4: Simplify right side
    23,318.15x = 408,918,796.93
  5. Step 5: Solve for x
    x = 408,918,796.93/23,318.15
  6. Step 6: Final answer
    x = 17,536.50

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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.