Home / 13,415.91-20,124.06-4,056.02

Finding the Fourth Proportional to 13,415.91, 20,124.06 and 4,056.02

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Solution

The fourth proportional to 13,415.91, 20,124.06 and 4,056.02 is: 6,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415.91 : 20,124.06 = 4,056.02 : x
  2. Step 2: Convert to fraction form
    13,415.91/20,124.06 = 4,056.02/x
  3. Step 3: Cross multiply
    13,415.91x = 20,124.06 × 4,056.02
  4. Step 4: Simplify right side
    13,415.91x = 81,623,489.22
  5. Step 5: Solve for x
    x = 81,623,489.22/13,415.91
  6. Step 6: Final answer
    x = 6,084.08

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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.