Home / 13,373.91-20,152.83-11,085.32

Finding the Fourth Proportional to 13,373.91, 20,152.83 and 11,085.32

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Solution

The fourth proportional to 13,373.91, 20,152.83 and 11,085.32 is: 16,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.91 : 20,152.83 = 11,085.32 : x
  2. Step 2: Convert to fraction form
    13,373.91/20,152.83 = 11,085.32/x
  3. Step 3: Cross multiply
    13,373.91x = 20,152.83 × 11,085.32
  4. Step 4: Simplify right side
    13,373.91x = 223,400,661.41
  5. Step 5: Solve for x
    x = 223,400,661.41/13,373.91
  6. Step 6: Final answer
    x = 16,704.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.