Home / 23,542.07-32,489.64-12,931.81

Finding the Fourth Proportional to 23,542.07, 32,489.64 and 12,931.81

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Solution

The fourth proportional to 23,542.07, 32,489.64 and 12,931.81 is: 17,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,542.07 : 32,489.64 = 12,931.81 : x
  2. Step 2: Convert to fraction form
    23,542.07/32,489.64 = 12,931.81/x
  3. Step 3: Cross multiply
    23,542.07x = 32,489.64 × 12,931.81
  4. Step 4: Simplify right side
    23,542.07x = 420,149,770.22
  5. Step 5: Solve for x
    x = 420,149,770.22/23,542.07
  6. Step 6: Final answer
    x = 17,846.77

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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.