Home / 16,857.36-23,270.76-12,373.20

Finding the Fourth Proportional to 16,857.36, 23,270.76 and 12,373.20

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Solution

The fourth proportional to 16,857.36, 23,270.76 and 12,373.20 is: 17,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.36 : 23,270.76 = 12,373.20 : x
  2. Step 2: Convert to fraction form
    16,857.36/23,270.76 = 12,373.20/x
  3. Step 3: Cross multiply
    16,857.36x = 23,270.76 × 12,373.20
  4. Step 4: Simplify right side
    16,857.36x = 287,933,767.63
  5. Step 5: Solve for x
    x = 287,933,767.63/16,857.36
  6. Step 6: Final answer
    x = 17,080.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.