Home / 13,406.92-20,110.52-4,047.02

Finding the Fourth Proportional to 13,406.92, 20,110.52 and 4,047.02

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Solution

The fourth proportional to 13,406.92, 20,110.52 and 4,047.02 is: 6,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,406.92 : 20,110.52 = 4,047.02 : x
  2. Step 2: Convert to fraction form
    13,406.92/20,110.52 = 4,047.02/x
  3. Step 3: Cross multiply
    13,406.92x = 20,110.52 × 4,047.02
  4. Step 4: Simplify right side
    13,406.92x = 81,387,661.63
  5. Step 5: Solve for x
    x = 81,387,661.63/13,406.92
  6. Step 6: Final answer
    x = 6,070.57

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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.