Home / 23,318.51-32,178.60-12,707.91

Finding the Fourth Proportional to 23,318.51, 32,178.60 and 12,707.91

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Solution

The fourth proportional to 23,318.51, 32,178.60 and 12,707.91 is: 17,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.51 : 32,178.60 = 12,707.91 : x
  2. Step 2: Convert to fraction form
    23,318.51/32,178.60 = 12,707.91/x
  3. Step 3: Cross multiply
    23,318.51x = 32,178.60 × 12,707.91
  4. Step 4: Simplify right side
    23,318.51x = 408,922,752.73
  5. Step 5: Solve for x
    x = 408,922,752.73/23,318.51
  6. Step 6: Final answer
    x = 17,536.41

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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.