Home / 13,416.11-20,124.35-4,056.20

Finding the Fourth Proportional to 13,416.11, 20,124.35 and 4,056.20

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Solution

The fourth proportional to 13,416.11, 20,124.35 and 4,056.20 is: 6,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.11 : 20,124.35 = 4,056.20 : x
  2. Step 2: Convert to fraction form
    13,416.11/20,124.35 = 4,056.20/x
  3. Step 3: Cross multiply
    13,416.11x = 20,124.35 × 4,056.20
  4. Step 4: Simplify right side
    13,416.11x = 81,628,433.71
  5. Step 5: Solve for x
    x = 81,628,433.71/13,416.11
  6. Step 6: Final answer
    x = 6,084.36

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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.