Home / 23,591.28-32,556-12,981.56

Finding the Fourth Proportional to 23,591.28, 32,556 and 12,981.56

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Solution

The fourth proportional to 23,591.28, 32,556 and 12,981.56 is: 17,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,591.28 : 32,556 = 12,981.56 : x
  2. Step 2: Convert to fraction form
    23,591.28/32,556 = 12,981.56/x
  3. Step 3: Cross multiply
    23,591.28x = 32,556 × 12,981.56
  4. Step 4: Simplify right side
    23,591.28x = 422,627,667.36
  5. Step 5: Solve for x
    x = 422,627,667.36/23,591.28
  6. Step 6: Final answer
    x = 17,914.57

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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.