Home / 18,788.32-25,932.54-10,835.32

Finding the Fourth Proportional to 18,788.32, 25,932.54 and 10,835.32

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Solution

The fourth proportional to 18,788.32, 25,932.54 and 10,835.32 is: 14,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.32 : 25,932.54 = 10,835.32 : x
  2. Step 2: Convert to fraction form
    18,788.32/25,932.54 = 10,835.32/x
  3. Step 3: Cross multiply
    18,788.32x = 25,932.54 × 10,835.32
  4. Step 4: Simplify right side
    18,788.32x = 280,987,369.31
  5. Step 5: Solve for x
    x = 280,987,369.31/18,788.32
  6. Step 6: Final answer
    x = 14,955.43

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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.