Home / 23,318.76-32,178.94-12,708.16

Finding the Fourth Proportional to 23,318.76, 32,178.94 and 12,708.16

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Solution

The fourth proportional to 23,318.76, 32,178.94 and 12,708.16 is: 17,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.76 : 32,178.94 = 12,708.16 : x
  2. Step 2: Convert to fraction form
    23,318.76/32,178.94 = 12,708.16/x
  3. Step 3: Cross multiply
    23,318.76x = 32,178.94 × 12,708.16
  4. Step 4: Simplify right side
    23,318.76x = 408,935,118.15
  5. Step 5: Solve for x
    x = 408,935,118.15/23,318.76
  6. Step 6: Final answer
    x = 17,536.74

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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.