Home / 23,187.94-31,999.32-12,577.56

Finding the Fourth Proportional to 23,187.94, 31,999.32 and 12,577.56

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Solution

The fourth proportional to 23,187.94, 31,999.32 and 12,577.56 is: 17,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.94 : 31,999.32 = 12,577.56 : x
  2. Step 2: Convert to fraction form
    23,187.94/31,999.32 = 12,577.56/x
  3. Step 3: Cross multiply
    23,187.94x = 31,999.32 × 12,577.56
  4. Step 4: Simplify right side
    23,187.94x = 402,473,367.26
  5. Step 5: Solve for x
    x = 402,473,367.26/23,187.94
  6. Step 6: Final answer
    x = 17,357.01

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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.