Home / 17,380.08-23,980.50-11,725.32

Finding the Fourth Proportional to 17,380.08, 23,980.50 and 11,725.32

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Solution

The fourth proportional to 17,380.08, 23,980.50 and 11,725.32 is: 16,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.08 : 23,980.50 = 11,725.32 : x
  2. Step 2: Convert to fraction form
    17,380.08/23,980.50 = 11,725.32/x
  3. Step 3: Cross multiply
    17,380.08x = 23,980.50 × 11,725.32
  4. Step 4: Simplify right side
    17,380.08x = 281,179,036.26
  5. Step 5: Solve for x
    x = 281,179,036.26/17,380.08
  6. Step 6: Final answer
    x = 16,178.24

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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.