Home / 23,127.68-31,924.48-13,696.32

Finding the Fourth Proportional to 23,127.68, 31,924.48 and 13,696.32

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Solution

The fourth proportional to 23,127.68, 31,924.48 and 13,696.32 is: 18,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.68 : 31,924.48 = 13,696.32 : x
  2. Step 2: Convert to fraction form
    23,127.68/31,924.48 = 13,696.32/x
  3. Step 3: Cross multiply
    23,127.68x = 31,924.48 × 13,696.32
  4. Step 4: Simplify right side
    23,127.68x = 437,247,893.91
  5. Step 5: Solve for x
    x = 437,247,893.91/23,127.68
  6. Step 6: Final answer
    x = 18,905.83

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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.