Home / 13,634.40-20,432.40-10,096.80

Finding the Fourth Proportional to 13,634.40, 20,432.40 and 10,096.80

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Solution

The fourth proportional to 13,634.40, 20,432.40 and 10,096.80 is: 15,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.40 : 20,432.40 = 10,096.80 : x
  2. Step 2: Convert to fraction form
    13,634.40/20,432.40 = 10,096.80/x
  3. Step 3: Cross multiply
    13,634.40x = 20,432.40 × 10,096.80
  4. Step 4: Simplify right side
    13,634.40x = 206,301,856.32
  5. Step 5: Solve for x
    x = 206,301,856.32/13,634.40
  6. Step 6: Final answer
    x = 15,130.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.