Home / 17,153.08-23,676.80-13,187.32

Finding the Fourth Proportional to 17,153.08, 23,676.80 and 13,187.32

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Solution

The fourth proportional to 17,153.08, 23,676.80 and 13,187.32 is: 18,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,153.08 : 23,676.80 = 13,187.32 : x
  2. Step 2: Convert to fraction form
    17,153.08/23,676.80 = 13,187.32/x
  3. Step 3: Cross multiply
    17,153.08x = 23,676.80 × 13,187.32
  4. Step 4: Simplify right side
    17,153.08x = 312,233,538.18
  5. Step 5: Solve for x
    x = 312,233,538.18/17,153.08
  6. Step 6: Final answer
    x = 18,202.77

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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.